(function () {
    var IScroll = (function (window, document, Math) {
        var rAF = window.requestAnimationFrame ||
            window.webkitRequestAnimationFrame ||
            window.mozRequestAnimationFrame ||
            window.oRequestAnimationFrame ||
            window.msRequestAnimationFrame ||
            function (callback) {
                window.setTimeout(callback, 1000 / 60);
            };

        var utils = (function () {
            var me = {};

            var _elementStyle = document.createElement('div').style;
            var _vendor = (function () {
                var vendors = ['t', 'webkitT', 'MozT', 'msT', 'OT'],
                    transform,
                    i = 0,
                    l = vendors.length;

                for (; i < l; i++) {
                    transform = vendors[i] + 'ransform';
                    if (transform in _elementStyle) return vendors[i].substr(0, vendors[i].length - 1);
                }

                return false;
            })();

            function _prefixStyle(style) {
                if (_vendor === false) return false;
                if (_vendor === '') return style;
                return _vendor + style.charAt(0).toUpperCase() + style.substr(1);
            }

            me.getTime = Date.now || function getTime() {
                    return new Date().getTime();
                };

            me.extend = function (target, obj) {
                for (var i in obj) {
                    target[i] = obj[i];
                }
            };

            me.addEvent = function (el, type, fn, capture) {
                el.addEventListener(type, fn, !!capture);
            };

            me.removeEvent = function (el, type, fn, capture) {
                el.removeEventListener(type, fn, !!capture);
            };

            me.prefixPointerEvent = function (pointerEvent) {
                return window.MSPointerEvent ?
                'MSPointer' + pointerEvent.charAt(7).toUpperCase() + pointerEvent.substr(8) :
                    pointerEvent;
            };

            me.momentum = function (current, start, time, lowerMargin, wrapperSize, deceleration) {
                var distance = current - start,
                    speed = Math.abs(distance) / time,
                    destination,
                    duration;

                deceleration = deceleration === undefined ? 0.0006 : deceleration;

                destination = current + ( speed * speed ) / ( 2 * deceleration ) * ( distance < 0 ? -1 : 1 );
                duration = speed / deceleration;

                if (destination < lowerMargin) {
                    destination = wrapperSize ? lowerMargin - ( wrapperSize / 2.5 * ( speed / 8 ) ) : lowerMargin;
                    distance = Math.abs(destination - current);
                    duration = distance / speed;
                } else if (destination > 0) {
                    destination = wrapperSize ? wrapperSize / 2.5 * ( speed / 8 ) : 0;
                    distance = Math.abs(current) + destination;
                    duration = distance / speed;
                }

                return {
                    destination: Math.round(destination),
                    duration: duration
                };
            };

            var _transform = _prefixStyle('transform');

            me.extend(me, {
                hasTransform: _transform !== false,
                hasPerspective: _prefixStyle('perspective') in _elementStyle,
                hasTouch: 'ontouchstart' in window,
                hasPointer: !!(window.PointerEvent || window.MSPointerEvent), // IE10 is prefixed
                hasTransition: _prefixStyle('transition') in _elementStyle
            });

            /*
             This should find all Android browsers lower than build 535.19 (both stock browser and webview)
             - galaxy S2 is ok
             - 2.3.6 : `AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1`
             - 4.0.4 : `AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30`
             - galaxy S3 is badAndroid (stock brower, webview)
             `AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30`
             - galaxy S4 is badAndroid (stock brower, webview)
             `AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30`
             - galaxy S5 is OK
             `AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Mobile Safari/537.36 (Chrome/)`
             - galaxy S6 is OK
             `AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Mobile Safari/537.36 (Chrome/)`
             */
            me.isBadAndroid = (function () {
                var appVersion = window.navigator.appVersion;
                // Android browser is not a chrome browser.
                if (/Android/.test(appVersion) && !(/Chrome\/\d/.test(appVersion))) {
                    var safariVersion = appVersion.match(/Safari\/(\d+.\d)/);
                    if (safariVersion && typeof safariVersion === "object" && safariVersion.length >= 2) {
                        return parseFloat(safariVersion[1]) < 535.19;
                    } else {
                        return true;
                    }
                } else {
                    return false;
                }
            })();

            me.extend(me.style = {}, {
                transform: _transform,
                transitionTimingFunction: _prefixStyle('transitionTimingFunction'),
                transitionDuration: _prefixStyle('transitionDuration'),
                transitionDelay: _prefixStyle('transitionDelay'),
                transformOrigin: _prefixStyle('transformOrigin')
            });

            me.hasClass = function (e, c) {
                var re = new RegExp("(^|\\s)" + c + "(\\s|$)");
                return re.test(e.className);
            };

            me.addClass = function (e, c) {
                if (me.hasClass(e, c)) {
                    return;
                }

                var newclass = e.className.split(' ');
                newclass.push(c);
                e.className = newclass.join(' ');
            };

            me.removeClass = function (e, c) {
                if (!me.hasClass(e, c)) {
                    return;
                }

                var re = new RegExp("(^|\\s)" + c + "(\\s|$)", 'g');
                e.className = e.className.replace(re, ' ');
            };

            me.offset = function (el) {
                var left = -el.offsetLeft,
                    top = -el.offsetTop;

                // jshint -W084
                while (el = el.offsetParent) {
                    left -= el.offsetLeft;
                    top -= el.offsetTop;
                }
                // jshint +W084

                return {
                    left: left,
                    top: top
                };
            };

            me.preventDefaultException = function (el, exceptions) {
                for (var i in exceptions) {
                    if (exceptions[i].test(el[i])) {
                        return true;
                    }
                }

                return false;
            };

            me.extend(me.eventType = {}, {
                touchstart: 1,
                touchmove: 1,
                touchend: 1,

                mousedown: 2,
                mousemove: 2,
                mouseup: 2,

                pointerdown: 3,
                pointermove: 3,
                pointerup: 3,

                MSPointerDown: 3,
                MSPointerMove: 3,
                MSPointerUp: 3
            });

            me.extend(me.ease = {}, {
                quadratic: {
                    style: 'cubic-bezier(0.25, 0.46, 0.45, 0.94)',
                    fn: function (k) {
                        return k * ( 2 - k );
                    }
                },
                circular: {
                    style: 'cubic-bezier(0.1, 0.57, 0.1, 1)',   // Not properly "circular" but this looks better, it should be (0.075, 0.82, 0.165, 1)
                    fn: function (k) {
                        return Math.sqrt(1 - ( --k * k ));
                    }
                },
                back: {
                    style: 'cubic-bezier(0.175, 0.885, 0.32, 1.275)',
                    fn: function (k) {
                        var b = 4;
                        return ( k = k - 1 ) * k * ( ( b + 1 ) * k + b ) + 1;
                    }
                },
                bounce: {
                    style: '',
                    fn: function (k) {
                        if (( k /= 1 ) < ( 1 / 2.75 )) {
                            return 7.5625 * k * k;
                        } else if (k < ( 2 / 2.75 )) {
                            return 7.5625 * ( k -= ( 1.5 / 2.75 ) ) * k + 0.75;
                        } else if (k < ( 2.5 / 2.75 )) {
                            return 7.5625 * ( k -= ( 2.25 / 2.75 ) ) * k + 0.9375;
                        } else {
                            return 7.5625 * ( k -= ( 2.625 / 2.75 ) ) * k + 0.984375;
                        }
                    }
                },
                elastic: {
                    style: '',
                    fn: function (k) {
                        var f = 0.22,
                            e = 0.4;

                        if (k === 0) {
                            return 0;
                        }
                        if (k == 1) {
                            return 1;
                        }

                        return ( e * Math.pow(2, -10 * k) * Math.sin(( k - f / 4 ) * ( 2 * Math.PI ) / f) + 1 );
                    }
                }
            });

            me.tap = function (e, eventName) {
                var ev = document.createEvent('Event');
                ev.initEvent(eventName, true, true);
                ev.pageX = e.pageX;
                ev.pageY = e.pageY;
                e.target.dispatchEvent(ev);
            };

            me.click = function (e) {
                var target = e.target,
                    ev;

                if (!(/(SELECT|INPUT|TEXTAREA)/i).test(target.tagName)) {
                    // https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/initMouseEvent
                    // initMouseEvent is deprecated.
                    ev = document.createEvent(window.MouseEvent ? 'MouseEvents' : 'Event');
                    ev.initEvent('click', true, true);
                    ev.view = e.view || window;
                    ev.detail = 1;
                    ev.screenX = target.screenX || 0;
                    ev.screenY = target.screenY || 0;
                    ev.clientX = target.clientX || 0;
                    ev.clientY = target.clientY || 0;
                    ev.ctrlKey = !!e.ctrlKey;
                    ev.altKey = !!e.altKey;
                    ev.shiftKey = !!e.shiftKey;
                    ev.metaKey = !!e.metaKey;
                    ev.button = 0;
                    ev.relatedTarget = null;
                    ev._constructed = true;
                    target.dispatchEvent(ev);
                }
            };

            return me;
        })();

        function IScroll(el, options) {
            this.wrapper = typeof el == 'string' ? document.querySelector(el) : el;
            this.scroller = this.wrapper.children[0];
            this.scrollerStyle = this.scroller.style;       // cache style for better performance

            this.options = {

                resizeScrollbars: true,

                mouseWheelSpeed: 20,

                snapThreshold: 0.334,

                // INSERT POINT: OPTIONS
                /*disablePointer : !utils.hasPointer,
                 disableTouch : utils.hasPointer || !utils.hasTouch,
                 disableMouse : utils.hasPointer || utils.hasTouch,*/
                disablePointer: true,
                disableTouch: !utils.hasTouch,
                disableMouse: utils.hasTouch,
                startX: 0,
                startY: 0,
                scrollY: true,
                directionLockThreshold: 5,
                momentum: true,

                bounce: true,
                bounceTime: 600,
                bounceEasing: '',

                preventDefault: true,
                preventDefaultException: {tagName: /^(INPUT|TEXTAREA|BUTTON|SELECT)$/},

                HWCompositing: true,
                useTransition: true,
                useTransform: true,
                bindToWrapper: typeof window.onmousedown === "undefined"
            };

            for (var i in options) {
                this.options[i] = options[i];
            }

            // Normalize options
            this.translateZ = this.options.HWCompositing && utils.hasPerspective ? ' translateZ(0)' : '';

            this.options.useTransition = utils.hasTransition && this.options.useTransition;
            this.options.useTransform = utils.hasTransform && this.options.useTransform;

            this.options.eventPassthrough = this.options.eventPassthrough === true ? 'vertical' : this.options.eventPassthrough;
            this.options.preventDefault = !this.options.eventPassthrough && this.options.preventDefault;

            // If you want eventPassthrough I have to lock one of the axes
            this.options.scrollY = this.options.eventPassthrough == 'vertical' ? false : this.options.scrollY;
            this.options.scrollX = this.options.eventPassthrough == 'horizontal' ? false : this.options.scrollX;

            // With eventPassthrough we also need lockDirection mechanism
            this.options.freeScroll = this.options.freeScroll && !this.options.eventPassthrough;
            this.options.directionLockThreshold = this.options.eventPassthrough ? 0 : this.options.directionLockThreshold;

            this.options.bounceEasing = typeof this.options.bounceEasing == 'string' ? utils.ease[this.options.bounceEasing] || utils.ease.circular : this.options.bounceEasing;

            this.options.resizePolling = this.options.resizePolling === undefined ? 60 : this.options.resizePolling;

            if (this.options.tap === true) {
                this.options.tap = 'tap';
            }

            // https://github.com/cubiq/iscroll/issues/1029
            if (!this.options.useTransition && !this.options.useTransform) {
                if (!(/relative|absolute/i).test(this.scrollerStyle.position)) {
                    this.scrollerStyle.position = "relative";
                }
            }

            if (this.options.shrinkScrollbars == 'scale') {
                this.options.useTransition = false;
            }

            this.options.invertWheelDirection = this.options.invertWheelDirection ? -1 : 1;

            if (this.options.probeType == 3) {
                this.options.useTransition = false;
            }

            // INSERT POINT: NORMALIZATION

            // Some defaults
            this.x = 0;
            this.y = 0;
            this.directionX = 0;
            this.directionY = 0;
            this._events = {};

            // INSERT POINT: DEFAULTS

            this._init();
            this.refresh();

            this.scrollTo(this.options.startX, this.options.startY);
            this.enable();
        }

        IScroll.prototype = {
            version: '5.2.0',

            _init: function () {
                this._initEvents();

                if (this.options.scrollbars || this.options.indicators) {
                    this._initIndicators();
                }

                if (this.options.mouseWheel) {
                    this._initWheel();
                }

                if (this.options.snap) {
                    this._initSnap();
                }

                if (this.options.keyBindings) {
                    this._initKeys();
                }

                // INSERT POINT: _init

            },

            destroy: function () {
                this._initEvents(true);
                clearTimeout(this.resizeTimeout);
                this.resizeTimeout = null;
                this._execEvent('destroy');
            },

            _transitionEnd: function (e) {
                if (e.target != this.scroller || !this.isInTransition) {
                    return;
                }

                this._transitionTime();
                if (!this.resetPosition(this.options.bounceTime)) {
                    this.isInTransition = false;
                    this._execEvent('scrollEnd');
                }
            },

            _start: function (e) {
                // React to left mouse button only
                if (utils.eventType[e.type] != 1) {
                    // for button property
                    // http://unixpapa.com/js/mouse.html
                    var button;
                    if (!e.which) {
                        /* IE case */
                        button = (e.button < 2) ? 0 :
                            ((e.button == 4) ? 1 : 2);
                    } else {
                        /* All others */
                        button = e.button;
                    }
                    if (button !== 0) {
                        return;
                    }
                }

                if (!this.enabled || (this.initiated && utils.eventType[e.type] !== this.initiated)) {
                    return;
                }

                if (this.options.preventDefault && !utils.isBadAndroid && !utils.preventDefaultException(e.target, this.options.preventDefaultException)) {
                    e.preventDefault();
                }

                var point = e.touches ? e.touches[0] : e,
                    pos;

                this.initiated = utils.eventType[e.type];
                this.moved = false;
                this.distX = 0;
                this.distY = 0;
                this.directionX = 0;
                this.directionY = 0;
                this.directionLocked = 0;

                this.startTime = utils.getTime();

                if (this.options.useTransition && this.isInTransition) {
                    this._transitionTime();
                    this.isInTransition = false;
                    pos = this.getComputedPosition();
                    this._translate(Math.round(pos.x), Math.round(pos.y));
                    this._execEvent('scrollEnd');
                } else if (!this.options.useTransition && this.isAnimating) {
                    this.isAnimating = false;
                    this._execEvent('scrollEnd');
                }

                this.startX = this.x;
                this.startY = this.y;
                this.absStartX = this.x;
                this.absStartY = this.y;
                this.pointX = point.pageX;
                this.pointY = point.pageY;

                this._execEvent('beforeScrollStart');
            },

            _move: function (e) {
                if (!this.enabled || utils.eventType[e.type] !== this.initiated) {
                    return;
                }

                if (this.options.preventDefault) {    // increases performance on Android? TODO: check!
                    e.preventDefault();
                }

                var point = e.touches ? e.touches[0] : e,
                    deltaX = point.pageX - this.pointX,
                    deltaY = point.pageY - this.pointY,
                    timestamp = utils.getTime(),
                    newX, newY,
                    absDistX, absDistY;

                this.pointX = point.pageX;
                this.pointY = point.pageY;

                this.distX += deltaX;
                this.distY += deltaY;
                absDistX = Math.abs(this.distX);
                absDistY = Math.abs(this.distY);

                // We need to move at least 10 pixels for the scrolling to initiate
                if (timestamp - this.endTime > 300 && (absDistX < 10 && absDistY < 10)) {
                    return;
                }

                // If you are scrolling in one direction lock the other
                if (!this.directionLocked && !this.options.freeScroll) {
                    if (absDistX > absDistY + this.options.directionLockThreshold) {
                        this.directionLocked = 'h';     // lock horizontally
                    } else if (absDistY >= absDistX + this.options.directionLockThreshold) {
                        this.directionLocked = 'v';     // lock vertically
                    } else {
                        this.directionLocked = 'n';     // no lock
                    }
                }

                if (this.directionLocked == 'h') {
                    if (this.options.eventPassthrough == 'vertical') {
                        e.preventDefault();
                    } else if (this.options.eventPassthrough == 'horizontal') {
                        this.initiated = false;
                        return;
                    }

                    deltaY = 0;
                } else if (this.directionLocked == 'v') {
                    if (this.options.eventPassthrough == 'horizontal') {
                        e.preventDefault();
                    } else if (this.options.eventPassthrough == 'vertical') {
                        this.initiated = false;
                        return;
                    }

                    deltaX = 0;
                }

                deltaX = this.hasHorizontalScroll ? deltaX : 0;
                deltaY = this.hasVerticalScroll ? deltaY : 0;

                newX = this.x + deltaX;
                newY = this.y + deltaY;

                // Slow down if outside of the boundaries
                if (newX > 0 || newX < this.maxScrollX) {
                    newX = this.options.bounce ? this.x + deltaX / 3 : newX > 0 ? 0 : this.maxScrollX;
                }
                if (newY > 0 || newY < this.maxScrollY) {
                    newY = this.options.bounce ? this.y + deltaY / 3 : newY > 0 ? 0 : this.maxScrollY;
                }

                this.directionX = deltaX > 0 ? -1 : deltaX < 0 ? 1 : 0;
                this.directionY = deltaY > 0 ? -1 : deltaY < 0 ? 1 : 0;

                if (!this.moved) {
                    this._execEvent('scrollStart');
                }

                this.moved = true;

                this._translate(newX, newY);

                /* REPLACE START: _move */
                if (timestamp - this.startTime > 300) {
                    this.startTime = timestamp;
                    this.startX = this.x;
                    this.startY = this.y;

                    if (this.options.probeType == 1) {
                        this._execEvent('scroll');
                    }
                }

                if (this.options.probeType > 1) {
                    this._execEvent('scroll');
                }
                /* REPLACE END: _move */

            },

            _end: function (e) {
                if (!this.enabled || utils.eventType[e.type] !== this.initiated) {
                    return;
                }

                if (this.options.preventDefault && !utils.preventDefaultException(e.target, this.options.preventDefaultException)) {
                    e.preventDefault();
                }

                var point = e.changedTouches ? e.changedTouches[0] : e,
                    momentumX,
                    momentumY,
                    duration = utils.getTime() - this.startTime,
                    newX = Math.round(this.x),
                    newY = Math.round(this.y),
                    distanceX = Math.abs(newX - this.startX),
                    distanceY = Math.abs(newY - this.startY),
                    time = 0,
                    easing = '';

                this.isInTransition = 0;
                this.initiated = 0;
                this.endTime = utils.getTime();

                // reset if we are outside of the boundaries
                if (this.resetPosition(this.options.bounceTime)) {
                    return;
                }

                this.scrollTo(newX, newY);  // ensures that the last position is rounded

                // we scrolled less than 10 pixels
                if (!this.moved) {
                    if (this.options.tap) {
                        utils.tap(e, this.options.tap);
                    }

                    if (this.options.click) {
                        utils.click(e);
                    }

                    this._execEvent('scrollCancel');
                    return;
                }

                if (this._events.flick && duration < 200 && distanceX < 100 && distanceY < 100) {
                    this._execEvent('flick');
                    return;
                }

                // start momentum animation if needed
                if (this.options.momentum && duration < 300) {
                    momentumX = this.hasHorizontalScroll ? utils.momentum(this.x, this.startX, duration, this.maxScrollX, this.options.bounce ? this.wrapperWidth : 0, this.options.deceleration) : {
                        destination: newX,
                        duration: 0
                    };
                    momentumY = this.hasVerticalScroll ? utils.momentum(this.y, this.startY, duration, this.maxScrollY, this.options.bounce ? this.wrapperHeight : 0, this.options.deceleration) : {
                        destination: newY,
                        duration: 0
                    };
                    newX = momentumX.destination;
                    newY = momentumY.destination;
                    time = Math.max(momentumX.duration, momentumY.duration);
                    this.isInTransition = 1;
                }


                if (this.options.snap) {
                    var snap = this._nearestSnap(newX, newY);
                    this.currentPage = snap;
                    time = this.options.snapSpeed || Math.max(
                            Math.max(
                                Math.min(Math.abs(newX - snap.x), 1000),
                                Math.min(Math.abs(newY - snap.y), 1000)
                            ), 300);
                    newX = snap.x;
                    newY = snap.y;

                    this.directionX = 0;
                    this.directionY = 0;
                    easing = this.options.bounceEasing;
                }

                // INSERT POINT: _end

                if (newX != this.x || newY != this.y) {
                    // change easing function when scroller goes out of the boundaries
                    if (newX > 0 || newX < this.maxScrollX || newY > 0 || newY < this.maxScrollY) {
                        easing = utils.ease.quadratic;
                    }

                    this.scrollTo(newX, newY, time, easing);
                    return;
                }

                this._execEvent('scrollEnd');
            },

            _resize: function () {
                var that = this;

                clearTimeout(this.resizeTimeout);

                this.resizeTimeout = setTimeout(function () {
                    that.refresh();
                }, this.options.resizePolling);
            },

            resetPosition: function (time) {
                var x = this.x,
                    y = this.y;

                time = time || 0;

                if (!this.hasHorizontalScroll || this.x > 0) {
                    x = 0;
                } else if (this.x < this.maxScrollX) {
                    x = this.maxScrollX;
                }

                if (!this.hasVerticalScroll || this.y > 0) {
                    y = 0;
                } else if (this.y < this.maxScrollY) {
                    y = this.maxScrollY;
                }

                if (x == this.x && y == this.y) {
                    return false;
                }

                this.scrollTo(x, y, time, this.options.bounceEasing);

                return true;
            },

            disable: function () {
                this.enabled = false;
            },

            enable: function () {
                this.enabled = true;
            },

            refresh: function () {
                var rf = this.wrapper.offsetHeight;     // Force reflow

                this.wrapperWidth = this.wrapper.clientWidth;
                this.wrapperHeight = this.wrapper.clientHeight;

                /* REPLACE START: refresh */

                this.scrollerWidth = this.scroller.offsetWidth;
                this.scrollerHeight = this.scroller.offsetHeight;

                this.maxScrollX = this.wrapperWidth - this.scrollerWidth;
                this.maxScrollY = this.wrapperHeight - this.scrollerHeight;

                /* REPLACE END: refresh */

                this.hasHorizontalScroll = this.options.scrollX && this.maxScrollX < 0;
                this.hasVerticalScroll = this.options.scrollY && this.maxScrollY < 0;

                if (!this.hasHorizontalScroll) {
                    this.maxScrollX = 0;
                    this.scrollerWidth = this.wrapperWidth;
                }

                if (!this.hasVerticalScroll) {
                    this.maxScrollY = 0;
                    this.scrollerHeight = this.wrapperHeight;
                }

                this.endTime = 0;
                this.directionX = 0;
                this.directionY = 0;

                this.wrapperOffset = utils.offset(this.wrapper);

                this._execEvent('refresh');

                this.resetPosition();

                // INSERT POINT: _refresh

            },

            on: function (type, fn) {
                if (!this._events[type]) {
                    this._events[type] = [];
                }

                this._events[type].push(fn);
            },

            off: function (type, fn) {
                if (!this._events[type]) {
                    return;
                }

                var index = this._events[type].indexOf(fn);

                if (index > -1) {
                    this._events[type].splice(index, 1);
                }
            },

            _execEvent: function (type) {
                if (!this._events[type]) {
                    return;
                }

                var i = 0,
                    l = this._events[type].length;

                if (!l) {
                    return;
                }

                for (; i < l; i++) {
                    this._events[type][i].apply(this, [].slice.call(arguments, 1));
                }
            },

            scrollBy: function (x, y, time, easing) {
                x = this.x + x;
                y = this.y + y;
                time = time || 0;

                this.scrollTo(x, y, time, easing);
            },

            scrollTo: function (x, y, time, easing) {
                easing = easing || utils.ease.circular;

                this.isInTransition = this.options.useTransition && time > 0;
                var transitionType = this.options.useTransition && easing.style;
                if (!time || transitionType) {
                    if (transitionType) {
                        this._transitionTimingFunction(easing.style);
                        this._transitionTime(time);
                    }
                    this._translate(x, y);
                } else {
                    this._animate(x, y, time, easing.fn);
                }
            },

            scrollToElement: function (el, time, offsetX, offsetY, easing) {
                el = el.nodeType ? el : this.scroller.querySelector(el);

                if (!el) {
                    return;
                }

                var pos = utils.offset(el);

                pos.left -= this.wrapperOffset.left;
                pos.top -= this.wrapperOffset.top;

                // if offsetX/Y are true we center the element to the screen
                if (offsetX === true) {
                    offsetX = Math.round(el.offsetWidth / 2 - this.wrapper.offsetWidth / 2);
                }
                if (offsetY === true) {
                    offsetY = Math.round(el.offsetHeight / 2 - this.wrapper.offsetHeight / 2);
                }

                pos.left -= offsetX || 0;
                pos.top -= offsetY || 0;

                pos.left = pos.left > 0 ? 0 : pos.left < this.maxScrollX ? this.maxScrollX : pos.left;
                pos.top = pos.top > 0 ? 0 : pos.top < this.maxScrollY ? this.maxScrollY : pos.top;

                time = time === undefined || time === null || time === 'auto' ? Math.max(Math.abs(this.x - pos.left), Math.abs(this.y - pos.top)) : time;

                this.scrollTo(pos.left, pos.top, time, easing);
            },

            _transitionTime: function (time) {
                if (!this.options.useTransition) {
                    return;
                }
                time = time || 0;
                var durationProp = utils.style.transitionDuration;
                if (!durationProp) {
                    return;
                }

                this.scrollerStyle[durationProp] = time + 'ms';

                if (!time && utils.isBadAndroid) {
                    this.scrollerStyle[durationProp] = '0.0001ms';
                    // remove 0.0001ms
                    var self = this;
                    rAF(function () {
                        if (self.scrollerStyle[durationProp] === '0.0001ms') {
                            self.scrollerStyle[durationProp] = '0s';
                        }
                    });
                }


                if (this.indicators) {
                    for (var i = this.indicators.length; i--;) {
                        this.indicators[i].transitionTime(time);
                    }
                }


                // INSERT POINT: _transitionTime

            },

            _transitionTimingFunction: function (easing) {
                this.scrollerStyle[utils.style.transitionTimingFunction] = easing;


                if (this.indicators) {
                    for (var i = this.indicators.length; i--;) {
                        this.indicators[i].transitionTimingFunction(easing);
                    }
                }


                // INSERT POINT: _transitionTimingFunction

            },

            _translate: function (x, y) {
                if (this.options.useTransform) {

                    /* REPLACE START: _translate */

                    this.scrollerStyle[utils.style.transform] = 'translate(' + x + 'px,' + y + 'px)' + this.translateZ;

                    /* REPLACE END: _translate */

                } else {
                    x = Math.round(x);
                    y = Math.round(y);
                    this.scrollerStyle.left = x + 'px';
                    this.scrollerStyle.top = y + 'px';
                }

                this.x = x;
                this.y = y;


                if (this.indicators) {
                    for (var i = this.indicators.length; i--;) {
                        this.indicators[i].updatePosition();
                    }
                }


                // INSERT POINT: _translate

            },

            _initEvents: function (remove) {
                var eventType = remove ? utils.removeEvent : utils.addEvent,
                    target = this.options.bindToWrapper ? this.wrapper : window;

                eventType(window, 'orientationchange', this);
                eventType(window, 'resize', this);

                if (this.options.click) {
                    eventType(this.wrapper, 'click', this, true);
                }

                if (!this.options.disableMouse) {
                    eventType(this.wrapper, 'mousedown', this);
                    eventType(target, 'mousemove', this);
                    eventType(target, 'mousecancel', this);
                    eventType(target, 'mouseup', this);
                }

                if (utils.hasPointer && !this.options.disablePointer) {
                    eventType(this.wrapper, utils.prefixPointerEvent('pointerdown'), this);
                    eventType(target, utils.prefixPointerEvent('pointermove'), this);
                    eventType(target, utils.prefixPointerEvent('pointercancel'), this);
                    eventType(target, utils.prefixPointerEvent('pointerup'), this);
                }

                if (utils.hasTouch && !this.options.disableTouch) {
                    eventType(this.wrapper, 'touchstart', this);
                    eventType(target, 'touchmove', this);
                    eventType(target, 'touchcancel', this);
                    eventType(target, 'touchend', this);
                }

                eventType(this.scroller, 'transitionend', this);
                eventType(this.scroller, 'webkitTransitionEnd', this);
                eventType(this.scroller, 'oTransitionEnd', this);
                eventType(this.scroller, 'MSTransitionEnd', this);
            },

            getComputedPosition: function () {
                var matrix = window.getComputedStyle(this.scroller, null),
                    x, y;

                if (this.options.useTransform) {
                    matrix = matrix[utils.style.transform].split(')')[0].split(', ');
                    x = +(matrix[12] || matrix[4]);
                    y = +(matrix[13] || matrix[5]);
                } else {
                    x = +matrix.left.replace(/[^-\d.]/g, '');
                    y = +matrix.top.replace(/[^-\d.]/g, '');
                }

                return {x: x, y: y};
            },
            _initIndicators: function () {
                var interactive = this.options.interactiveScrollbars,
                    customStyle = typeof this.options.scrollbars != 'string',
                    indicators = [],
                    indicator;

                var that = this;

                this.indicators = [];

                if (this.options.scrollbars) {
                    // Vertical scrollbar
                    if (this.options.scrollY) {
                        indicator = {
                            el: createDefaultScrollbar('v', interactive, this.options.scrollbars),
                            interactive: interactive,
                            defaultScrollbars: true,
                            customStyle: customStyle,
                            resize: this.options.resizeScrollbars,
                            shrink: this.options.shrinkScrollbars,
                            fade: this.options.fadeScrollbars,
                            listenX: false
                        };

                        this.wrapper.appendChild(indicator.el);
                        indicators.push(indicator);
                    }

                    // Horizontal scrollbar
                    if (this.options.scrollX) {
                        indicator = {
                            el: createDefaultScrollbar('h', interactive, this.options.scrollbars),
                            interactive: interactive,
                            defaultScrollbars: true,
                            customStyle: customStyle,
                            resize: this.options.resizeScrollbars,
                            shrink: this.options.shrinkScrollbars,
                            fade: this.options.fadeScrollbars,
                            listenY: false
                        };

                        this.wrapper.appendChild(indicator.el);
                        indicators.push(indicator);
                    }
                }

                if (this.options.indicators) {
                    // TODO: check concat compatibility
                    indicators = indicators.concat(this.options.indicators);
                }

                for (var i = indicators.length; i--;) {
                    this.indicators.push(new Indicator(this, indicators[i]));
                }

                // TODO: check if we can use array.map (wide compatibility and performance issues)
                function _indicatorsMap(fn) {
                    if (that.indicators) {
                        for (var i = that.indicators.length; i--;) {
                            fn.call(that.indicators[i]);
                        }
                    }
                }

                if (this.options.fadeScrollbars) {
                    this.on('scrollEnd', function () {
                        _indicatorsMap(function () {
                            this.fade();
                        });
                    });

                    this.on('scrollCancel', function () {
                        _indicatorsMap(function () {
                            this.fade();
                        });
                    });

                    this.on('scrollStart', function () {
                        _indicatorsMap(function () {
                            this.fade(1);
                        });
                    });

                    this.on('beforeScrollStart', function () {
                        _indicatorsMap(function () {
                            this.fade(1, true);
                        });
                    });
                }


                this.on('refresh', function () {
                    _indicatorsMap(function () {
                        this.refresh();
                    });
                });

                this.on('destroy', function () {
                    _indicatorsMap(function () {
                        this.destroy();
                    });

                    delete this.indicators;
                });
            },

            _initWheel: function () {
                utils.addEvent(this.wrapper, 'wheel', this);
                utils.addEvent(this.wrapper, 'mousewheel', this);
                utils.addEvent(this.wrapper, 'DOMMouseScroll', this);

                this.on('destroy', function () {
                    clearTimeout(this.wheelTimeout);
                    this.wheelTimeout = null;
                    utils.removeEvent(this.wrapper, 'wheel', this);
                    utils.removeEvent(this.wrapper, 'mousewheel', this);
                    utils.removeEvent(this.wrapper, 'DOMMouseScroll', this);
                });
            },

            _wheel: function (e) {
                if (!this.enabled) {
                    return;
                }

                e.preventDefault();

                var wheelDeltaX, wheelDeltaY,
                    newX, newY,
                    that = this;

                if (this.wheelTimeout === undefined) {
                    that._execEvent('scrollStart');
                }

                // Execute the scrollEnd event after 400ms the wheel stopped scrolling
                clearTimeout(this.wheelTimeout);
                this.wheelTimeout = setTimeout(function () {
                    if (!that.options.snap) {
                        that._execEvent('scrollEnd');
                    }
                    that.wheelTimeout = undefined;
                }, 400);

                if ('deltaX' in e) {
                    if (e.deltaMode === 1) {
                        wheelDeltaX = -e.deltaX * this.options.mouseWheelSpeed;
                        wheelDeltaY = -e.deltaY * this.options.mouseWheelSpeed;
                    } else {
                        wheelDeltaX = -e.deltaX;
                        wheelDeltaY = -e.deltaY;
                    }
                } else if ('wheelDeltaX' in e) {
                    wheelDeltaX = e.wheelDeltaX / 120 * this.options.mouseWheelSpeed;
                    wheelDeltaY = e.wheelDeltaY / 120 * this.options.mouseWheelSpeed;
                } else if ('wheelDelta' in e) {
                    wheelDeltaX = wheelDeltaY = e.wheelDelta / 120 * this.options.mouseWheelSpeed;
                } else if ('detail' in e) {
                    wheelDeltaX = wheelDeltaY = -e.detail / 3 * this.options.mouseWheelSpeed;
                } else {
                    return;
                }

                wheelDeltaX *= this.options.invertWheelDirection;
                wheelDeltaY *= this.options.invertWheelDirection;

                if (!this.hasVerticalScroll) {
                    wheelDeltaX = wheelDeltaY;
                    wheelDeltaY = 0;
                }

                if (this.options.snap) {
                    newX = this.currentPage.pageX;
                    newY = this.currentPage.pageY;

                    if (wheelDeltaX > 0) {
                        newX--;
                    } else if (wheelDeltaX < 0) {
                        newX++;
                    }

                    if (wheelDeltaY > 0) {
                        newY--;
                    } else if (wheelDeltaY < 0) {
                        newY++;
                    }

                    this.goToPage(newX, newY);

                    return;
                }

                newX = this.x + Math.round(this.hasHorizontalScroll ? wheelDeltaX : 0);
                newY = this.y + Math.round(this.hasVerticalScroll ? wheelDeltaY : 0);

                this.directionX = wheelDeltaX > 0 ? -1 : wheelDeltaX < 0 ? 1 : 0;
                this.directionY = wheelDeltaY > 0 ? -1 : wheelDeltaY < 0 ? 1 : 0;

                if (newX > 0) {
                    newX = 0;
                } else if (newX < this.maxScrollX) {
                    newX = this.maxScrollX;
                }

                if (newY > 0) {
                    newY = 0;
                } else if (newY < this.maxScrollY) {
                    newY = this.maxScrollY;
                }

                this.scrollTo(newX, newY, 0);

                if (this.options.probeType > 1) {
                    this._execEvent('scroll');
                }

                // INSERT POINT: _wheel
            },

            _initSnap: function () {
                this.currentPage = {};

                if (typeof this.options.snap == 'string') {
                    this.options.snap = this.scroller.querySelectorAll(this.options.snap);
                }

                this.on('refresh', function () {
                    var i = 0, l,
                        m = 0, n,
                        cx, cy,
                        x = 0, y,
                        stepX = this.options.snapStepX || this.wrapperWidth,
                        stepY = this.options.snapStepY || this.wrapperHeight,
                        el;

                    this.pages = [];

                    if (!this.wrapperWidth || !this.wrapperHeight || !this.scrollerWidth || !this.scrollerHeight) {
                        return;
                    }

                    if (this.options.snap === true) {
                        cx = Math.round(stepX / 2);
                        cy = Math.round(stepY / 2);

                        while (x > -this.scrollerWidth) {
                            this.pages[i] = [];
                            l = 0;
                            y = 0;

                            while (y > -this.scrollerHeight) {
                                this.pages[i][l] = {
                                    x: Math.max(x, this.maxScrollX),
                                    y: Math.max(y, this.maxScrollY),
                                    width: stepX,
                                    height: stepY,
                                    cx: x - cx,
                                    cy: y - cy
                                };

                                y -= stepY;
                                l++;
                            }

                            x -= stepX;
                            i++;
                        }
                    } else {
                        el = this.options.snap;
                        l = el.length;
                        n = -1;

                        for (; i < l; i++) {
                            if (i === 0 || el[i].offsetLeft <= el[i - 1].offsetLeft) {
                                m = 0;
                                n++;
                            }

                            if (!this.pages[m]) {
                                this.pages[m] = [];
                            }

                            x = Math.max(-el[i].offsetLeft, this.maxScrollX);
                            y = Math.max(-el[i].offsetTop, this.maxScrollY);
                            cx = x - Math.round(el[i].offsetWidth / 2);
                            cy = y - Math.round(el[i].offsetHeight / 2);

                            this.pages[m][n] = {
                                x: x,
                                y: y,
                                width: el[i].offsetWidth,
                                height: el[i].offsetHeight,
                                cx: cx,
                                cy: cy
                            };

                            if (x > this.maxScrollX) {
                                m++;
                            }
                        }
                    }

                    this.goToPage(this.currentPage.pageX || 0, this.currentPage.pageY || 0, 0);

                    // Update snap threshold if needed
                    if (this.options.snapThreshold % 1 === 0) {
                        this.snapThresholdX = this.options.snapThreshold;
                        this.snapThresholdY = this.options.snapThreshold;
                    } else {
                        this.snapThresholdX = Math.round(this.pages[this.currentPage.pageX][this.currentPage.pageY].width * this.options.snapThreshold);
                        this.snapThresholdY = Math.round(this.pages[this.currentPage.pageX][this.currentPage.pageY].height * this.options.snapThreshold);
                    }
                });

                this.on('flick', function () {
                    var time = this.options.snapSpeed || Math.max(
                            Math.max(
                                Math.min(Math.abs(this.x - this.startX), 1000),
                                Math.min(Math.abs(this.y - this.startY), 1000)
                            ), 300);

                    this.goToPage(
                        this.currentPage.pageX + this.directionX,
                        this.currentPage.pageY + this.directionY,
                        time
                    );
                });
            },

            _nearestSnap: function (x, y) {
                if (!this.pages.length) {
                    return {x: 0, y: 0, pageX: 0, pageY: 0};
                }

                var i = 0,
                    l = this.pages.length,
                    m = 0;

                // Check if we exceeded the snap threshold
                if (Math.abs(x - this.absStartX) < this.snapThresholdX &&
                    Math.abs(y - this.absStartY) < this.snapThresholdY) {
                    return this.currentPage;
                }

                if (x > 0) {
                    x = 0;
                } else if (x < this.maxScrollX) {
                    x = this.maxScrollX;
                }

                if (y > 0) {
                    y = 0;
                } else if (y < this.maxScrollY) {
                    y = this.maxScrollY;
                }

                for (; i < l; i++) {
                    if (x >= this.pages[i][0].cx) {
                        x = this.pages[i][0].x;
                        break;
                    }
                }

                l = this.pages[i].length;

                for (; m < l; m++) {
                    if (y >= this.pages[0][m].cy) {
                        y = this.pages[0][m].y;
                        break;
                    }
                }

                if (i == this.currentPage.pageX) {
                    i += this.directionX;

                    if (i < 0) {
                        i = 0;
                    } else if (i >= this.pages.length) {
                        i = this.pages.length - 1;
                    }

                    x = this.pages[i][0].x;
                }

                if (m == this.currentPage.pageY) {
                    m += this.directionY;

                    if (m < 0) {
                        m = 0;
                    } else if (m >= this.pages[0].length) {
                        m = this.pages[0].length - 1;
                    }

                    y = this.pages[0][m].y;
                }

                return {
                    x: x,
                    y: y,
                    pageX: i,
                    pageY: m
                };
            },

            goToPage: function (x, y, time, easing) {
                easing = easing || this.options.bounceEasing;

                if (x >= this.pages.length) {
                    x = this.pages.length - 1;
                } else if (x < 0) {
                    x = 0;
                }

                if (y >= this.pages[x].length) {
                    y = this.pages[x].length - 1;
                } else if (y < 0) {
                    y = 0;
                }

                var posX = this.pages[x][y].x,
                    posY = this.pages[x][y].y;

                time = time === undefined ? this.options.snapSpeed || Math.max(
                    Math.max(
                        Math.min(Math.abs(posX - this.x), 1000),
                        Math.min(Math.abs(posY - this.y), 1000)
                    ), 300) : time;

                this.currentPage = {
                    x: posX,
                    y: posY,
                    pageX: x,
                    pageY: y
                };

                this.scrollTo(posX, posY, time, easing);
            },

            next: function (time, easing) {
                var x = this.currentPage.pageX,
                    y = this.currentPage.pageY;

                x++;

                if (x >= this.pages.length && this.hasVerticalScroll) {
                    x = 0;
                    y++;
                }

                this.goToPage(x, y, time, easing);
            },

            prev: function (time, easing) {
                var x = this.currentPage.pageX,
                    y = this.currentPage.pageY;

                x--;

                if (x < 0 && this.hasVerticalScroll) {
                    x = 0;
                    y--;
                }

                this.goToPage(x, y, time, easing);
            },

            _initKeys: function (e) {
                // default key bindings
                var keys = {
                    pageUp: 33,
                    pageDown: 34,
                    end: 35,
                    home: 36,
                    left: 37,
                    up: 38,
                    right: 39,
                    down: 40
                };
                var i;

                // if you give me characters I give you keycode
                if (typeof this.options.keyBindings == 'object') {
                    for (i in this.options.keyBindings) {
                        if (typeof this.options.keyBindings[i] == 'string') {
                            this.options.keyBindings[i] = this.options.keyBindings[i].toUpperCase().charCodeAt(0);
                        }
                    }
                } else {
                    this.options.keyBindings = {};
                }

                for (i in keys) {
                    this.options.keyBindings[i] = this.options.keyBindings[i] || keys[i];
                }

                utils.addEvent(window, 'keydown', this);

                this.on('destroy', function () {
                    utils.removeEvent(window, 'keydown', this);
                });
            },

            _key: function (e) {
                if (!this.enabled) {
                    return;
                }

                var snap = this.options.snap,   // we are using this alot, better to cache it
                    newX = snap ? this.currentPage.pageX : this.x,
                    newY = snap ? this.currentPage.pageY : this.y,
                    now = utils.getTime(),
                    prevTime = this.keyTime || 0,
                    acceleration = 0.250,
                    pos;

                if (this.options.useTransition && this.isInTransition) {
                    pos = this.getComputedPosition();

                    this._translate(Math.round(pos.x), Math.round(pos.y));
                    this.isInTransition = false;
                }

                this.keyAcceleration = now - prevTime < 200 ? Math.min(this.keyAcceleration + acceleration, 50) : 0;

                switch (e.keyCode) {
                    case this.options.keyBindings.pageUp:
                        if (this.hasHorizontalScroll && !this.hasVerticalScroll) {
                            newX += snap ? 1 : this.wrapperWidth;
                        } else {
                            newY += snap ? 1 : this.wrapperHeight;
                        }
                        break;
                    case this.options.keyBindings.pageDown:
                        if (this.hasHorizontalScroll && !this.hasVerticalScroll) {
                            newX -= snap ? 1 : this.wrapperWidth;
                        } else {
                            newY -= snap ? 1 : this.wrapperHeight;
                        }
                        break;
                    case this.options.keyBindings.end:
                        newX = snap ? this.pages.length - 1 : this.maxScrollX;
                        newY = snap ? this.pages[0].length - 1 : this.maxScrollY;
                        break;
                    case this.options.keyBindings.home:
                        newX = 0;
                        newY = 0;
                        break;
                    case this.options.keyBindings.left:
                        newX += snap ? -1 : 5 + this.keyAcceleration >> 0;
                        break;
                    case this.options.keyBindings.up:
                        newY += snap ? 1 : 5 + this.keyAcceleration >> 0;
                        break;
                    case this.options.keyBindings.right:
                        newX -= snap ? -1 : 5 + this.keyAcceleration >> 0;
                        break;
                    case this.options.keyBindings.down:
                        newY -= snap ? 1 : 5 + this.keyAcceleration >> 0;
                        break;
                    default:
                        return;
                }

                if (snap) {
                    this.goToPage(newX, newY);
                    return;
                }

                if (newX > 0) {
                    newX = 0;
                    this.keyAcceleration = 0;
                } else if (newX < this.maxScrollX) {
                    newX = this.maxScrollX;
                    this.keyAcceleration = 0;
                }

                if (newY > 0) {
                    newY = 0;
                    this.keyAcceleration = 0;
                } else if (newY < this.maxScrollY) {
                    newY = this.maxScrollY;
                    this.keyAcceleration = 0;
                }

                this.scrollTo(newX, newY, 0);

                this.keyTime = now;
            },

            _animate: function (destX, destY, duration, easingFn) {
                var that = this,
                    startX = this.x,
                    startY = this.y,
                    startTime = utils.getTime(),
                    destTime = startTime + duration;

                function step() {
                    var now = utils.getTime(),
                        newX, newY,
                        easing;

                    if (now >= destTime) {
                        that.isAnimating = false;
                        that._translate(destX, destY);

                        if (!that.resetPosition(that.options.bounceTime)) {
                            that._execEvent('scrollEnd');
                        }

                        return;
                    }

                    now = ( now - startTime ) / duration;
                    easing = easingFn(now);
                    newX = ( destX - startX ) * easing + startX;
                    newY = ( destY - startY ) * easing + startY;
                    that._translate(newX, newY);

                    if (that.isAnimating) {
                        rAF(step);
                    }

                    if (that.options.probeType == 3) {
                        that._execEvent('scroll');
                    }
                }

                this.isAnimating = true;
                step();
            },

            handleEvent: function (e) {
                switch (e.type) {
                    case 'touchstart':
                    case 'pointerdown':
                    case 'MSPointerDown':
                    case 'mousedown':
                        this._start(e);
                        break;
                    case 'touchmove':
                    case 'pointermove':
                    case 'MSPointerMove':
                    case 'mousemove':
                        this._move(e);
                        break;
                    case 'touchend':
                    case 'pointerup':
                    case 'MSPointerUp':
                    case 'mouseup':
                    case 'touchcancel':
                    case 'pointercancel':
                    case 'MSPointerCancel':
                    case 'mousecancel':
                        this._end(e);
                        break;
                    case 'orientationchange':
                    case 'resize':
                        this._resize();
                        break;
                    case 'transitionend':
                    case 'webkitTransitionEnd':
                    case 'oTransitionEnd':
                    case 'MSTransitionEnd':
                        this._transitionEnd(e);
                        break;
                    case 'wheel':
                    case 'DOMMouseScroll':
                    case 'mousewheel':
                        this._wheel(e);
                        break;
                    case 'keydown':
                        this._key(e);
                        break;
                    case 'click':
                        if (this.enabled && !e._constructed) {
                            e.preventDefault();
                            e.stopPropagation();
                        }
                        break;
                }
            }
        };
        function createDefaultScrollbar(direction, interactive, type) {
            var scrollbar = document.createElement('div'),
                indicator = document.createElement('div');

            if (type === true) {
                scrollbar.style.cssText = 'position:absolute;z-index:9999';
                indicator.style.cssText = '-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;position:absolute;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.9);border-radius:3px';
            }

            indicator.className = 'iScrollIndicator';

            if (direction == 'h') {
                if (type === true) {
                    scrollbar.style.cssText += ';height:7px;left:2px;right:2px;bottom:0';
                    indicator.style.height = '100%';
                }
                scrollbar.className = 'iScrollHorizontalScrollbar';
            } else {
                if (type === true) {
                    scrollbar.style.cssText += ';width:7px;bottom:2px;top:2px;right:1px';
                    indicator.style.width = '100%';
                }
                scrollbar.className = 'iScrollVerticalScrollbar';
            }

            scrollbar.style.cssText += ';overflow:hidden';

            if (!interactive) {
                scrollbar.style.pointerEvents = 'none';
            }

            scrollbar.appendChild(indicator);

            return scrollbar;
        }

        function Indicator(scroller, options) {
            this.wrapper = typeof options.el == 'string' ? document.querySelector(options.el) : options.el;
            this.wrapperStyle = this.wrapper.style;
            this.indicator = this.wrapper.children[0];
            this.indicatorStyle = this.indicator.style;
            this.scroller = scroller;

            this.options = {
                listenX: true,
                listenY: true,
                interactive: false,
                resize: true,
                defaultScrollbars: false,
                shrink: false,
                fade: false,
                speedRatioX: 0,
                speedRatioY: 0
            };

            for (var i in options) {
                this.options[i] = options[i];
            }

            this.sizeRatioX = 1;
            this.sizeRatioY = 1;
            this.maxPosX = 0;
            this.maxPosY = 0;

            if (this.options.interactive) {
                if (!this.options.disableTouch) {
                    utils.addEvent(this.indicator, 'touchstart', this);
                    utils.addEvent(window, 'touchend', this);
                }
                if (!this.options.disablePointer) {
                    utils.addEvent(this.indicator, utils.prefixPointerEvent('pointerdown'), this);
                    utils.addEvent(window, utils.prefixPointerEvent('pointerup'), this);
                }
                if (!this.options.disableMouse) {
                    utils.addEvent(this.indicator, 'mousedown', this);
                    utils.addEvent(window, 'mouseup', this);
                }
            }

            if (this.options.fade) {
                this.wrapperStyle[utils.style.transform] = this.scroller.translateZ;
                var durationProp = utils.style.transitionDuration;
                if (!durationProp) {
                    return;
                }
                this.wrapperStyle[durationProp] = utils.isBadAndroid ? '0.0001ms' : '0ms';
                // remove 0.0001ms
                var self = this;
                if (utils.isBadAndroid) {
                    rAF(function () {
                        if (self.wrapperStyle[durationProp] === '0.0001ms') {
                            self.wrapperStyle[durationProp] = '0s';
                        }
                    });
                }
                this.wrapperStyle.opacity = '0';
            }
        }

        Indicator.prototype = {
            handleEvent: function (e) {
                switch (e.type) {
                    case 'touchstart':
                    case 'pointerdown':
                    case 'MSPointerDown':
                    case 'mousedown':
                        this._start(e);
                        break;
                    case 'touchmove':
                    case 'pointermove':
                    case 'MSPointerMove':
                    case 'mousemove':
                        this._move(e);
                        break;
                    case 'touchend':
                    case 'pointerup':
                    case 'MSPointerUp':
                    case 'mouseup':
                    case 'touchcancel':
                    case 'pointercancel':
                    case 'MSPointerCancel':
                    case 'mousecancel':
                        this._end(e);
                        break;
                }
            },

            destroy: function () {
                if (this.options.fadeScrollbars) {
                    clearTimeout(this.fadeTimeout);
                    this.fadeTimeout = null;
                }
                if (this.options.interactive) {
                    utils.removeEvent(this.indicator, 'touchstart', this);
                    utils.removeEvent(this.indicator, utils.prefixPointerEvent('pointerdown'), this);
                    utils.removeEvent(this.indicator, 'mousedown', this);

                    utils.removeEvent(window, 'touchmove', this);
                    utils.removeEvent(window, utils.prefixPointerEvent('pointermove'), this);
                    utils.removeEvent(window, 'mousemove', this);

                    utils.removeEvent(window, 'touchend', this);
                    utils.removeEvent(window, utils.prefixPointerEvent('pointerup'), this);
                    utils.removeEvent(window, 'mouseup', this);
                }

                if (this.options.defaultScrollbars) {
                    this.wrapper.parentNode.removeChild(this.wrapper);
                }
            },

            _start: function (e) {
                var point = e.touches ? e.touches[0] : e;

                e.preventDefault();
                e.stopPropagation();

                this.transitionTime();

                this.initiated = true;
                this.moved = false;
                this.lastPointX = point.pageX;
                this.lastPointY = point.pageY;

                this.startTime = utils.getTime();

                if (!this.options.disableTouch) {
                    utils.addEvent(window, 'touchmove', this);
                }
                if (!this.options.disablePointer) {
                    utils.addEvent(window, utils.prefixPointerEvent('pointermove'), this);
                }
                if (!this.options.disableMouse) {
                    utils.addEvent(window, 'mousemove', this);
                }

                this.scroller._execEvent('beforeScrollStart');
            },

            _move: function (e) {
                var point = e.touches ? e.touches[0] : e,
                    deltaX, deltaY,
                    newX, newY,
                    timestamp = utils.getTime();

                if (!this.moved) {
                    this.scroller._execEvent('scrollStart');
                }

                this.moved = true;

                deltaX = point.pageX - this.lastPointX;
                this.lastPointX = point.pageX;

                deltaY = point.pageY - this.lastPointY;
                this.lastPointY = point.pageY;

                newX = this.x + deltaX;
                newY = this.y + deltaY;

                this._pos(newX, newY);


                if (this.scroller.options.probeType == 1 && timestamp - this.startTime > 300) {
                    this.startTime = timestamp;
                    this.scroller._execEvent('scroll');
                } else if (this.scroller.options.probeType > 1) {
                    this.scroller._execEvent('scroll');
                }


                // INSERT POINT: indicator._move

                e.preventDefault();
                e.stopPropagation();
            },

            _end: function (e) {
                if (!this.initiated) {
                    return;
                }

                this.initiated = false;

                e.preventDefault();
                e.stopPropagation();

                utils.removeEvent(window, 'touchmove', this);
                utils.removeEvent(window, utils.prefixPointerEvent('pointermove'), this);
                utils.removeEvent(window, 'mousemove', this);

                if (this.scroller.options.snap) {
                    var snap = this.scroller._nearestSnap(this.scroller.x, this.scroller.y);

                    var time = this.options.snapSpeed || Math.max(
                            Math.max(
                                Math.min(Math.abs(this.scroller.x - snap.x), 1000),
                                Math.min(Math.abs(this.scroller.y - snap.y), 1000)
                            ), 300);

                    if (this.scroller.x != snap.x || this.scroller.y != snap.y) {
                        this.scroller.directionX = 0;
                        this.scroller.directionY = 0;
                        this.scroller.currentPage = snap;
                        this.scroller.scrollTo(snap.x, snap.y, time, this.scroller.options.bounceEasing);
                    }
                }

                if (this.moved) {
                    this.scroller._execEvent('scrollEnd');
                }
            },

            transitionTime: function (time) {
                time = time || 0;
                var durationProp = utils.style.transitionDuration;
                if (!durationProp) {
                    return;
                }

                this.indicatorStyle[durationProp] = time + 'ms';

                if (!time && utils.isBadAndroid) {
                    this.indicatorStyle[durationProp] = '0.0001ms';
                    // remove 0.0001ms
                    var self = this;
                    rAF(function () {
                        if (self.indicatorStyle[durationProp] === '0.0001ms') {
                            self.indicatorStyle[durationProp] = '0s';
                        }
                    });
                }
            },

            transitionTimingFunction: function (easing) {
                this.indicatorStyle[utils.style.transitionTimingFunction] = easing;
            },

            refresh: function () {
                this.transitionTime();

                if (this.options.listenX && !this.options.listenY) {
                    this.indicatorStyle.display = this.scroller.hasHorizontalScroll ? 'block' : 'none';
                } else if (this.options.listenY && !this.options.listenX) {
                    this.indicatorStyle.display = this.scroller.hasVerticalScroll ? 'block' : 'none';
                } else {
                    this.indicatorStyle.display = this.scroller.hasHorizontalScroll || this.scroller.hasVerticalScroll ? 'block' : 'none';
                }

                if (this.scroller.hasHorizontalScroll && this.scroller.hasVerticalScroll) {
                    utils.addClass(this.wrapper, 'iScrollBothScrollbars');
                    utils.removeClass(this.wrapper, 'iScrollLoneScrollbar');

                    if (this.options.defaultScrollbars && this.options.customStyle) {
                        if (this.options.listenX) {
                            this.wrapper.style.right = '8px';
                        } else {
                            this.wrapper.style.bottom = '8px';
                        }
                    }
                } else {
                    utils.removeClass(this.wrapper, 'iScrollBothScrollbars');
                    utils.addClass(this.wrapper, 'iScrollLoneScrollbar');

                    if (this.options.defaultScrollbars && this.options.customStyle) {
                        if (this.options.listenX) {
                            this.wrapper.style.right = '2px';
                        } else {
                            this.wrapper.style.bottom = '2px';
                        }
                    }
                }

                var r = this.wrapper.offsetHeight;  // force refresh

                if (this.options.listenX) {
                    this.wrapperWidth = this.wrapper.clientWidth;
                    if (this.options.resize) {
                        this.indicatorWidth = Math.max(Math.round(this.wrapperWidth * this.wrapperWidth / (this.scroller.scrollerWidth || this.wrapperWidth || 1)), 8);
                        this.indicatorStyle.width = this.indicatorWidth + 'px';
                    } else {
                        this.indicatorWidth = this.indicator.clientWidth;
                    }

                    this.maxPosX = this.wrapperWidth - this.indicatorWidth;

                    if (this.options.shrink == 'clip') {
                        this.minBoundaryX = -this.indicatorWidth + 8;
                        this.maxBoundaryX = this.wrapperWidth - 8;
                    } else {
                        this.minBoundaryX = 0;
                        this.maxBoundaryX = this.maxPosX;
                    }

                    this.sizeRatioX = this.options.speedRatioX || (this.scroller.maxScrollX && (this.maxPosX / this.scroller.maxScrollX));
                }

                if (this.options.listenY) {
                    this.wrapperHeight = this.wrapper.clientHeight;
                    if (this.options.resize) {
                        this.indicatorHeight = Math.max(Math.round(this.wrapperHeight * this.wrapperHeight / (this.scroller.scrollerHeight || this.wrapperHeight || 1)), 8);
                        this.indicatorStyle.height = this.indicatorHeight + 'px';
                    } else {
                        this.indicatorHeight = this.indicator.clientHeight;
                    }

                    this.maxPosY = this.wrapperHeight - this.indicatorHeight;

                    if (this.options.shrink == 'clip') {
                        this.minBoundaryY = -this.indicatorHeight + 8;
                        this.maxBoundaryY = this.wrapperHeight - 8;
                    } else {
                        this.minBoundaryY = 0;
                        this.maxBoundaryY = this.maxPosY;
                    }

                    this.maxPosY = this.wrapperHeight - this.indicatorHeight;
                    this.sizeRatioY = this.options.speedRatioY || (this.scroller.maxScrollY && (this.maxPosY / this.scroller.maxScrollY));
                }

                this.updatePosition();
            },

            updatePosition: function () {
                var x = this.options.listenX && Math.round(this.sizeRatioX * this.scroller.x) || 0,
                    y = this.options.listenY && Math.round(this.sizeRatioY * this.scroller.y) || 0;

                if (!this.options.ignoreBoundaries) {
                    if (x < this.minBoundaryX) {
                        if (this.options.shrink == 'scale') {
                            this.width = Math.max(this.indicatorWidth + x, 8);
                            this.indicatorStyle.width = this.width + 'px';
                        }
                        x = this.minBoundaryX;
                    } else if (x > this.maxBoundaryX) {
                        if (this.options.shrink == 'scale') {
                            this.width = Math.max(this.indicatorWidth - (x - this.maxPosX), 8);
                            this.indicatorStyle.width = this.width + 'px';
                            x = this.maxPosX + this.indicatorWidth - this.width;
                        } else {
                            x = this.maxBoundaryX;
                        }
                    } else if (this.options.shrink == 'scale' && this.width != this.indicatorWidth) {
                        this.width = this.indicatorWidth;
                        this.indicatorStyle.width = this.width + 'px';
                    }

                    if (y < this.minBoundaryY) {
                        if (this.options.shrink == 'scale') {
                            this.height = Math.max(this.indicatorHeight + y * 3, 8);
                            this.indicatorStyle.height = this.height + 'px';
                        }
                        y = this.minBoundaryY;
                    } else if (y > this.maxBoundaryY) {
                        if (this.options.shrink == 'scale') {
                            this.height = Math.max(this.indicatorHeight - (y - this.maxPosY) * 3, 8);
                            this.indicatorStyle.height = this.height + 'px';
                            y = this.maxPosY + this.indicatorHeight - this.height;
                        } else {
                            y = this.maxBoundaryY;
                        }
                    } else if (this.options.shrink == 'scale' && this.height != this.indicatorHeight) {
                        this.height = this.indicatorHeight;
                        this.indicatorStyle.height = this.height + 'px';
                    }
                }

                this.x = x;
                this.y = y;

                if (this.scroller.options.useTransform) {
                    this.indicatorStyle[utils.style.transform] = 'translate(' + x + 'px,' + y + 'px)' + this.scroller.translateZ;
                } else {
                    this.indicatorStyle.left = x + 'px';
                    this.indicatorStyle.top = y + 'px';
                }
            },

            _pos: function (x, y) {
                if (x < 0) {
                    x = 0;
                } else if (x > this.maxPosX) {
                    x = this.maxPosX;
                }

                if (y < 0) {
                    y = 0;
                } else if (y > this.maxPosY) {
                    y = this.maxPosY;
                }

                x = this.options.listenX ? Math.round(x / this.sizeRatioX) : this.scroller.x;
                y = this.options.listenY ? Math.round(y / this.sizeRatioY) : this.scroller.y;

                this.scroller.scrollTo(x, y);
            },

            fade: function (val, hold) {
                if (hold && !this.visible) {
                    return;
                }

                clearTimeout(this.fadeTimeout);
                this.fadeTimeout = null;

                var time = val ? 250 : 500,
                    delay = val ? 0 : 300;

                val = val ? '1' : '0';

                this.wrapperStyle[utils.style.transitionDuration] = time + 'ms';

                this.fadeTimeout = setTimeout((function (val) {
                    this.wrapperStyle.opacity = val;
                    this.visible = +val;
                }).bind(this, val), delay);
            }
        };

        IScroll.utils = utils;
        return IScroll;
    })(window, document, Math);
    var iosSelectUtil = {
        isArray: function (arg1) {
            return Object.prototype.toString.call(arg1) === '[object Array]';
        },
        isFunction: function (arg1) {
            return typeof arg1 === 'function';
        },
        attrToData: function (dom, index) {
            var obj = {};
            for (var p in dom.dataset) {
                obj[p] = dom.dataset[p];
            }
            obj['dom'] = dom;
            obj['atindex'] = index;
            return obj;
        },
        attrToHtml: function (obj) {
            var html = '';
            for (var p in obj) {
                html += 'data-' + p + '="' + obj[p] + '"';
            }
            return html;
        }
    };
    // Layer
    function Layer(html, opts) {
        if (!(this instanceof Layer)) {
            return new Layer(html, opts);
        }
        this.html = html;
        this.opts = opts;
        var el = document.createElement('div');
        el.className = 'olay';
        // var layer_el = $('<div class="layer"></div>');
        var layer_el = document.createElement('div');
        layer_el.className = 'layer';
        this.el = el;
        this.layer_el = layer_el;
        this.init();
    }

    Layer.prototype = {
        init: function () {
            this.layer_el.innerHTML = this.html;
            if (this.opts.container && document.querySelector(this.opts.container)) {
                document.querySelector(this.opts.container).appendChild(this.el);
            }
            else {
                document.body.appendChild(this.el);
            }
            this.el.appendChild(this.layer_el);
            this.el.style.height = Math.max(document.documentElement.getBoundingClientRect().height, window.innerHeight);
            if (this.opts.className) {
                this.el.className += ' ' + this.opts.className;
            }
            this.bindEvent();
        },
        bindEvent: function () {
            var sureDom = this.el.querySelectorAll('.sure');
            var closeDom = this.el.querySelectorAll('.close');
            var self = this;
            for (var i = 0, len = sureDom.length; i < len; i++) {
                sureDom[i].addEventListener('click', function (e) {
                    self.close();
                });
            }
            for (var i = 0, len = closeDom.length; i < len; i++) {
                closeDom[i].addEventListener('click', function (e) {
                    self.close();
                });
            }
        },
        close: function () {
            if (this.el) {
                this.el.parentNode.removeChild(this.el);
                this.el = null;
            }
        }
    }
    function IosSelect(level, data, options) {
        if (!iosSelectUtil.isArray(data) || data.length === 0) {
            return;
        }
        this.data = data;
        this.level = level || 1;
        this.options = options;
        this.typeBox = 'one-level-box';
        if (this.level === 1) {
            this.typeBox = 'one-level-box';
        }
        else if (this.level === 2) {
            this.typeBox = 'two-level-box';
        }
        else if (this.level === 3) {
            this.typeBox = 'three-level-box';
        }
        else if (this.level === 4) {
            this.typeBox = 'four-level-box';
        }
        else if (this.level === 5) {
            this.typeBox = 'five-level-box';
        }
        this.callback = options.callback;
        this.title = options.title || '';
        this.options.itemHeight = options.itemHeight || 35;
        this.options.itemShowCount = [3, 5, 7, 9].indexOf(options.itemShowCount) !== -1 ? options.itemShowCount : 7;
        this.options.coverArea1Top = Math.floor(this.options.itemShowCount / 2);
        this.options.coverArea2Top = Math.ceil(this.options.itemShowCount / 2);
        this.options.headerHeight = options.headerHeight || 44;
        this.options.relation = iosSelectUtil.isArray(this.options.relation) ? this.options.relation : [];
        this.options.oneTwoRelation = this.options.relation[0];
        this.options.twoThreeRelation = this.options.relation[1];
        this.options.threeFourRelation = this.options.relation[2];
        this.options.fourFiveRelation = this.options.relation[3];
        if (this.options.cssUnit !== 'px' && this.options.cssUnit !== 'rem') {
            this.options.cssUnit = 'px';
        }
        this.setBase();
        this.init();
    };

    IosSelect.prototype = {
        init: function () {
            this.initLayer();
            // 选中元素的信息
            this.selectOneObj = {};
            this.selectTwoObj = {};
            this.selectThreeObj = {};
            this.selectFourObj = {};
            this.selectFiveObj = {};
            this.setOneLevel(this.options.oneLevelId, this.options.twoLevelId, this.options.threeLevelId, this.options.fourLevelId, this.options.fiveLevelId);
        },
        initLayer: function () {
            var self = this;
            var all_html = [
                '<header style="height: ' + this.options.headerHeight + this.options.cssUnit + '; line-height: ' + this.options.headerHeight + this.options.cssUnit + '" class="iosselect-header">',
                '<h2 id="iosSelectTitle"></h2>',
                '<a style="height: ' + this.options.headerHeight + this.options.cssUnit + '; line-height: ' + this.options.headerHeight + this.options.cssUnit + '" href="javascript:void(0)" class="close">取消</a>',
                '<a style="height: ' + this.options.headerHeight + this.options.cssUnit + '; line-height: ' + this.options.headerHeight + this.options.cssUnit + '" href="javascript:void(0)" class="sure">确定</a>',
                '</header>',
                '<section class="iosselect-box">',
                '<div class="one-level-contain" id="oneLevelContain">',
                '<ul class="select-one-level">',
                '</ul>',
                '</div>',
                '<div class="two-level-contain" id="twoLevelContain">',
                '<ul class="select-two-level">',
                '</ul>',
                '</div>',
                '<div class="three-level-contain" id="threeLevelContain">',
                '<ul class="select-three-level">',
                '</ul>',
                '</div>',
                '<div class="four-level-contain" id="fourLevelContain">',
                '<ul class="select-four-level">',
                '</ul>',
                '</div>',
                '<div class="five-level-contain" id="fiveLevelContain">',
                '<ul class="select-five-level">',
                '</ul>',
                '</div>',
                '</section>',
                '<hr class="cover-area1"/>',
                '<hr class="cover-area2"/>',
                '<div class="ios-select-loading-box" id="iosSelectLoadingBox">',
                '<div class="ios-select-loading"></div>',
                '</div>'
            ].join('\r\n');
            this.iosSelectLayer = new Layer(all_html, {
                className: 'ios-select-widget-box ' + this.typeBox + (this.options.addClassName ? ' ' + this.options.addClassName : ''),
                container: this.options.container || ''
            });

            this.iosSelectTitleDom = this.iosSelectLayer.el.querySelector('#iosSelectTitle');
            this.iosSelectLoadingBoxDom = this.iosSelectLayer.el.querySelector('#iosSelectLoadingBox');
            if (this.options.title) {
                this.iosSelectTitleDom.innerHTML = this.options.title;
            }

            if (this.options.headerHeight && this.options.itemHeight) {
                this.coverArea1Dom = this.iosSelectLayer.el.querySelector('.cover-area1');
                this.coverArea1Dom.style.top = this.options.headerHeight + this.options.itemHeight * this.options.coverArea1Top + this.options.cssUnit;

                this.coverArea2Dom = this.iosSelectLayer.el.querySelector('.cover-area2');
                this.coverArea2Dom.style.top = this.options.headerHeight + this.options.itemHeight * this.options.coverArea2Top + this.options.cssUnit;
            }

            this.oneLevelContainDom = this.iosSelectLayer.el.querySelector('#oneLevelContain');
            this.twoLevelContainDom = this.iosSelectLayer.el.querySelector('#twoLevelContain');
            this.threeLevelContainDom = this.iosSelectLayer.el.querySelector('#threeLevelContain');
            this.fourLevelContainDom = this.iosSelectLayer.el.querySelector('#fourLevelContain');
            this.fiveLevelContainDom = this.iosSelectLayer.el.querySelector('#fiveLevelContain');

            this.oneLevelUlContainDom = this.iosSelectLayer.el.querySelector('.select-one-level');
            this.twoLevelUlContainDom = this.iosSelectLayer.el.querySelector('.select-two-level');
            this.threeLevelUlContainDom = this.iosSelectLayer.el.querySelector('.select-three-level');
            this.fourLevelUlContainDom = this.iosSelectLayer.el.querySelector('.select-four-level');
            this.fiveLevelUlContainDom = this.iosSelectLayer.el.querySelector('.select-five-level');

            this.iosSelectLayer.el.querySelector('.layer').style.height = this.options.itemHeight * this.options.itemShowCount + this.options.headerHeight + this.options.cssUnit;

            this.oneLevelContainDom.style.height = this.options.itemHeight * this.options.itemShowCount + this.options.cssUnit;

            this.offsetTop = document.body.scrollTop;
            document.body.classList.add('ios-select-body-class');
            window.scrollTo(0, 0);

            this.scrollOne = new IScroll('#oneLevelContain', {
                probeType: 3,
                bounce: false
            });
            this.scrollOne.on('scrollStart', function () {
                Array.prototype.slice.call(self.oneLevelContainDom.querySelectorAll('li')).forEach(function (v, i, o) {
                    if (v.classList.contains('at')) {
                        v.classList.remove('at');
                    } else if (v.classList.contains('side1')) {
                        v.classList.remove('side1');
                    } else if (v.classList.contains('side2')) {
                        v.classList.remove('side2');
                    }
                });
            });
            this.scrollOne.on('scroll', function () {
                var pa = Math.abs(this.y / self.baseSize) / self.options.itemHeight;
                var plast = 1;

                plast = Math.round(pa) + 1;
                Array.prototype.slice.call(self.oneLevelContainDom.querySelectorAll('li')).forEach(function (v, i, o) {
                    if (v.classList.contains('at')) {
                        v.classList.remove('at');
                    } else if (v.classList.contains('side1')) {
                        v.classList.remove('side1');
                    } else if (v.classList.contains('side2')) {
                        v.classList.remove('side2');
                    }
                });

                self.changeClassName(self.oneLevelContainDom, plast);
            });
            this.scrollOne.on('scrollEnd', function () {
                var pa = Math.abs(this.y / self.baseSize) / self.options.itemHeight;
                var plast = 1;
                var to = 0;
                if (Math.ceil(pa) === Math.round(pa)) {
                    to = Math.ceil(pa) * self.options.itemHeight * self.baseSize;
                    plast = Math.ceil(pa) + 1;
                } else {
                    to = Math.floor(pa) * self.options.itemHeight * self.baseSize;
                    plast = Math.floor(pa) + 1;
                }
                self.scrollOne.scrollTo(0, -to, 0);

                Array.prototype.slice.call(self.oneLevelContainDom.querySelectorAll('li')).forEach(function (v, i, o) {
                    if (v.classList.contains('at')) {
                        v.classList.remove('at');
                    } else if (v.classList.contains('side1')) {
                        v.classList.remove('side1');
                    } else if (v.classList.contains('side2')) {
                        v.classList.remove('side2');
                    }
                });

                var pdom = self.changeClassName(self.oneLevelContainDom, plast);

                self.selectOneObj = iosSelectUtil.attrToData(pdom, plast);

                if (self.level > 1 && self.options.oneTwoRelation === 1) {
                    self.setTwoLevel(self.selectOneObj.id, self.selectTwoObj.id, self.selectThreeObj.id, self.selectFourObj.id, self.selectFiveObj.id);
                }
            });
            this.scrollOne.on('scrollCancel', function () {
                var pa = Math.abs(this.y / self.baseSize) / self.options.itemHeight;
                var plast = 1;
                var to = 0;
                if (Math.ceil(pa) === Math.round(pa)) {
                    to = Math.ceil(pa) * self.options.itemHeight * self.baseSize;
                    plast = Math.ceil(pa) + 1;
                } else {
                    to = Math.floor(pa) * self.options.itemHeight * self.baseSize;
                    plast = Math.floor(pa) + 1;
                }
                self.scrollOne.scrollTo(0, -to, 0);

                Array.prototype.slice.call(self.oneLevelContainDom.querySelectorAll('li')).forEach(function (v, i, o) {
                    if (v.classList.contains('at')) {
                        v.classList.remove('at');
                    } else if (v.classList.contains('side1')) {
                        v.classList.remove('side1');
                    } else if (v.classList.contains('side2')) {
                        v.classList.remove('side2');
                    }
                });

                var pdom = self.changeClassName(self.oneLevelContainDom, plast);

                self.selectOneObj = iosSelectUtil.attrToData(pdom, plast);

                if (self.level > 1 && self.options.oneTwoRelation === 1) {
                    self.setTwoLevel(self.selectOneObj.id, self.selectTwoObj.id, self.selectThreeObj.id, self.selectFourObj.id, self.selectFiveObj.id);
                }
            });
            if (this.level >= 2) {
                this.twoLevelContainDom.style.height = this.options.itemHeight * this.options.itemShowCount + this.options.cssUnit;
                this.scrollTwo = new IScroll('#twoLevelContain', {
                    probeType: 3,
                    bounce: false
                });
                this.scrollTwo.on('scrollStart', function () {
                    Array.prototype.slice.call(self.twoLevelContainDom.querySelectorAll('li')).forEach(function (v, i, o) {
                        if (v.classList.contains('at')) {
                            v.classList.remove('at');
                        } else if (v.classList.contains('side1')) {
                            v.classList.remove('side1');
                        } else if (v.classList.contains('side2')) {
                            v.classList.remove('side2');
                        }
                    });
                });
                this.scrollTwo.on('scroll', function () {
                    var pa = Math.abs(this.y / self.baseSize) / self.options.itemHeight;
                    var plast = 0;
                    plast = Math.round(pa) + 1;

                    Array.prototype.slice.call(self.twoLevelContainDom.querySelectorAll('li')).forEach(function (v, i, o) {
                        if (v.classList.contains('at')) {
                            v.classList.remove('at');
                        } else if (v.classList.contains('side1')) {
                            v.classList.remove('side1');
                        } else if (v.classList.contains('side2')) {
                            v.classList.remove('side2');
                        }
                    });

                    self.changeClassName(self.twoLevelContainDom, plast);
                });
                this.scrollTwo.on('scrollEnd', function () {
                    var pa = Math.abs(this.y / self.baseSize) / self.options.itemHeight;
                    var plast = 1;
                    var to = 0;
                    if (Math.ceil(pa) === Math.round(pa)) {
                        to = Math.ceil(pa) * self.options.itemHeight * self.baseSize;
                        plast = Math.ceil(pa) + 1;
                    } else {
                        to = Math.floor(pa) * self.options.itemHeight * self.baseSize;
                        plast = Math.floor(pa) + 1;
                    }
                    self.scrollTwo.scrollTo(0, -to, 0);

                    Array.prototype.slice.call(self.twoLevelContainDom.querySelectorAll('li')).forEach(function (v, i, o) {
                        if (v.classList.contains('at')) {
                            v.classList.remove('at');
                        } else if (v.classList.contains('side1')) {
                            v.classList.remove('side1');
                        } else if (v.classList.contains('side2')) {
                            v.classList.remove('side2');
                        }
                    });

                    var pdom = self.changeClassName(self.twoLevelContainDom, plast);

                    self.selectTwoObj = iosSelectUtil.attrToData(pdom, plast);

                    if (self.level > 2 && self.options.twoThreeRelation === 1) {
                        self.setThreeLevel(self.selectOneObj.id, self.selectTwoObj.id, self.selectThreeObj.id, self.selectFourObj.id, self.selectFiveObj.id);
                    }
                });
                this.scrollTwo.on('scrollCancel', function () {
                    var pa = Math.abs(this.y / self.baseSize) / self.options.itemHeight;
                    var plast = 1;
                    var to = 0;
                    if (Math.ceil(pa) === Math.round(pa)) {
                        to = Math.ceil(pa) * self.options.itemHeight * self.baseSize;
                        plast = Math.ceil(pa) + 1;
                    } else {
                        to = Math.floor(pa) * self.options.itemHeight * self.baseSize;
                        plast = Math.floor(pa) + 1;
                    }
                    self.scrollTwo.scrollTo(0, -to, 0);

                    Array.prototype.slice.call(self.twoLevelContainDom.querySelectorAll('li')).forEach(function (v, i, o) {
                        if (v.classList.contains('at')) {
                            v.classList.remove('at');
                        } else if (v.classList.contains('side1')) {
                            v.classList.remove('side1');
                        } else if (v.classList.contains('side2')) {
                            v.classList.remove('side2');
                        }
                    });

                    var pdom = self.changeClassName(self.twoLevelContainDom, plast);

                    self.selectTwoObj = iosSelectUtil.attrToData(pdom, plast);

                    if (self.level > 2 && self.options.twoThreeRelation === 1) {
                        self.setThreeLevel(self.selectOneObj.id, self.selectTwoObj.id, self.selectThreeObj.id, self.selectFourObj.id, self.selectFiveObj.id);
                    }
                });
            }
            if (this.level >= 3) {
                this.threeLevelContainDom.style.height = this.options.itemHeight * this.options.itemShowCount + this.options.cssUnit;
                this.scrollThree = new IScroll('#threeLevelContain', {
                    probeType: 3,
                    bounce: false
                });
                this.scrollThree.on('scrollStart', function () {
                    Array.prototype.slice.call(self.threeLevelContainDom.querySelectorAll('li')).forEach(function (v, i, o) {
                        if (v.classList.contains('at')) {
                            v.classList.remove('at');
                        } else if (v.classList.contains('side1')) {
                            v.classList.remove('side1');
                        } else if (v.classList.contains('side2')) {
                            v.classList.remove('side2');
                        }
                    });
                });
                this.scrollThree.on('scroll', function () {
                    var pa = Math.abs(this.y / self.baseSize) / self.options.itemHeight;
                    var plast = 0;
                    plast = Math.round(pa) + 1;

                    Array.prototype.slice.call(self.threeLevelContainDom.querySelectorAll('li')).forEach(function (v, i, o) {
                        if (v.classList.contains('at')) {
                            v.classList.remove('at');
                        } else if (v.classList.contains('side1')) {
                            v.classList.remove('side1');
                        } else if (v.classList.contains('side2')) {
                            v.classList.remove('side2');
                        }
                    });

                    self.changeClassName(self.threeLevelContainDom, plast);
                });
                this.scrollThree.on('scrollEnd', function () {
                    var pa = Math.abs(this.y / self.baseSize) / self.options.itemHeight;
                    var plast = 1;
                    var to = 0;
                    if (Math.ceil(pa) === Math.round(pa)) {
                        to = Math.ceil(pa) * self.options.itemHeight * self.baseSize;
                        plast = Math.ceil(pa) + 1;
                    } else {
                        to = Math.floor(pa) * self.options.itemHeight * self.baseSize;
                        plast = Math.floor(pa) + 1;
                    }
                    self.scrollThree.scrollTo(0, -to, 0);

                    Array.prototype.slice.call(self.threeLevelContainDom.querySelectorAll('li')).forEach(function (v, i, o) {
                        if (v.classList.contains('at')) {
                            v.classList.remove('at');
                        } else if (v.classList.contains('side1')) {
                            v.classList.remove('side1');
                        } else if (v.classList.contains('side2')) {
                            v.classList.remove('side2');
                        }
                    });

                    var pdom = self.changeClassName(self.threeLevelContainDom, plast);

                    self.selectThreeObj = iosSelectUtil.attrToData(pdom, plast);
                    if (self.level >= 4 && self.options.threeFourRelation === 1) {
                        self.setFourLevel(self.selectOneObj.id, self.selectTwoObj.id, self.selectThreeObj.id, self.selectFourObj.id, self.selectFiveObj.id);
                    }
                });
                this.scrollThree.on('scrollCancel', function () {
                    var pa = Math.abs(this.y / self.baseSize) / self.options.itemHeight;
                    var plast = 1;
                    var to = 0;
                    if (Math.ceil(pa) === Math.round(pa)) {
                        to = Math.ceil(pa) * self.options.itemHeight * self.baseSize;
                        plast = Math.ceil(pa) + 1;
                    } else {
                        to = Math.floor(pa) * self.options.itemHeight * self.baseSize;
                        plast = Math.floor(pa) + 1;
                    }
                    self.scrollThree.scrollTo(0, -to, 0);

                    Array.prototype.slice.call(self.threeLevelContainDom.querySelectorAll('li')).forEach(function (v, i, o) {
                        if (v.classList.contains('at')) {
                            v.classList.remove('at');
                        } else if (v.classList.contains('side1')) {
                            v.classList.remove('side1');
                        } else if (v.classList.contains('side2')) {
                            v.classList.remove('side2');
                        }
                    });

                    var pdom = self.changeClassName(self.threeLevelContainDom, plast);

                    self.selectThreeObj = iosSelectUtil.attrToData(pdom, plast);
                    if (self.level >= 4 && self.options.threeFourRelation === 1) {
                        self.setFourLevel(self.selectOneObj.id, self.selectTwoObj.id, self.selectThreeObj.id, self.selectFourObj.id, self.selectFiveObj.id);
                    }
                });
            }
            if (this.level >= 4) {
                this.fourLevelContainDom.style.height = this.options.itemHeight * this.options.itemShowCount + this.options.cssUnit;
                this.scrollFour = new IScroll('#fourLevelContain', {
                    probeType: 3,
                    bounce: false
                });
                this.scrollFour.on('scrollStart', function () {
                    Array.prototype.slice.call(self.fourLevelContainDom.querySelectorAll('li')).forEach(function (v, i, o) {
                        if (v.classList.contains('at')) {
                            v.classList.remove('at');
                        } else if (v.classList.contains('side1')) {
                            v.classList.remove('side1');
                        } else if (v.classList.contains('side2')) {
                            v.classList.remove('side2');
                        }
                    });
                });
                this.scrollFour.on('scroll', function () {
                    var pa = Math.abs(this.y / self.baseSize) / self.options.itemHeight;
                    var plast = 0;
                    plast = Math.round(pa) + 1;

                    Array.prototype.slice.call(self.fourLevelContainDom.querySelectorAll('li')).forEach(function (v, i, o) {
                        if (v.classList.contains('at')) {
                            v.classList.remove('at');
                        } else if (v.classList.contains('side1')) {
                            v.classList.remove('side1');
                        } else if (v.classList.contains('side2')) {
                            v.classList.remove('side2');
                        }
                    });

                    self.changeClassName(self.fourLevelContainDom, plast);
                });
                this.scrollFour.on('scrollEnd', function () {
                    var pa = Math.abs(this.y / self.baseSize) / self.options.itemHeight;
                    var plast = 1;
                    var to = 0;
                    if (Math.ceil(pa) === Math.round(pa)) {
                        to = Math.ceil(pa) * self.options.itemHeight * self.baseSize;
                        plast = Math.ceil(pa) + 1;
                    } else {
                        to = Math.floor(pa) * self.options.itemHeight * self.baseSize;
                        plast = Math.floor(pa) + 1;
                    }
                    self.scrollFour.scrollTo(0, -to, 0);

                    Array.prototype.slice.call(self.fourLevelContainDom.querySelectorAll('li')).forEach(function (v, i, o) {
                        if (v.classList.contains('at')) {
                            v.classList.remove('at');
                        } else if (v.classList.contains('side1')) {
                            v.classList.remove('side1');
                        } else if (v.classList.contains('side2')) {
                            v.classList.remove('side2');
                        }
                    });

                    var pdom = self.changeClassName(self.fourLevelContainDom, plast);

                    self.selectFourObj = iosSelectUtil.attrToData(pdom, plast);

                    if (self.level >= 5 && self.options.fourFiveRelation === 1) {
                        self.setFiveLevel(self.selectOneObj.id, self.selectTwoObj.id, self.selectThreeObj.id, self.selectFourObj.id, self.selectFiveObj.id);
                    }
                });
                this.scrollFour.on('scrollCancel', function () {
                    var pa = Math.abs(this.y / self.baseSize) / self.options.itemHeight;
                    var plast = 1;
                    var to = 0;
                    if (Math.ceil(pa) === Math.round(pa)) {
                        to = Math.ceil(pa) * self.options.itemHeight * self.baseSize;
                        plast = Math.ceil(pa) + 1;
                    } else {
                        to = Math.floor(pa) * self.options.itemHeight * self.baseSize;
                        plast = Math.floor(pa) + 1;
                    }
                    self.scrollFour.scrollTo(0, -to, 0);

                    Array.prototype.slice.call(self.fourLevelContainDom.querySelectorAll('li')).forEach(function (v, i, o) {
                        if (v.classList.contains('at')) {
                            v.classList.remove('at');
                        } else if (v.classList.contains('side1')) {
                            v.classList.remove('side1');
                        } else if (v.classList.contains('side2')) {
                            v.classList.remove('side2');
                        }
                    });

                    var pdom = self.changeClassName(self.fourLevelContainDom, plast);

                    self.selectFourObj = iosSelectUtil.attrToData(pdom, plast);

                    if (self.level >= 5 && self.options.fourFiveRelation === 1) {
                        self.setFiveLevel(self.selectOneObj.id, self.selectTwoObj.id, self.selectThreeObj.id, self.selectFourObj.id, self.selectFiveObj.id);
                    }
                });
            }
            if (this.level >= 5) {
                this.fiveLevelContainDom.style.height = this.options.itemHeight * this.options.itemShowCount + this.options.cssUnit;
                this.scrollFive = new IScroll('#fiveLevelContain', {
                    probeType: 3,
                    bounce: false
                });
                this.scrollFive.on('scrollStart', function () {
                    Array.prototype.slice.call(self.fiveLevelContainDom.querySelectorAll('li')).forEach(function (v, i, o) {
                        if (v.classList.contains('at')) {
                            v.classList.remove('at');
                        } else if (v.classList.contains('side1')) {
                            v.classList.remove('side1');
                        } else if (v.classList.contains('side2')) {
                            v.classList.remove('side2');
                        }
                    });
                });
                this.scrollFive.on('scroll', function () {
                    var pa = Math.abs(this.y / self.baseSize) / self.options.itemHeight;
                    var plast = 0;
                    plast = Math.round(pa) + 1;

                    Array.prototype.slice.call(self.fiveLevelContainDom.querySelectorAll('li')).forEach(function (v, i, o) {
                        if (v.classList.contains('at')) {
                            v.classList.remove('at');
                        } else if (v.classList.contains('side1')) {
                            v.classList.remove('side1');
                        } else if (v.classList.contains('side2')) {
                            v.classList.remove('side2');
                        }
                    });

                    self.changeClassName(self.fiveLevelContainDom, plast);
                });
                this.scrollFive.on('scrollEnd', function () {
                    var pa = Math.abs(this.y / self.baseSize) / self.options.itemHeight;
                    var plast = 1;
                    var to = 0;
                    if (Math.ceil(pa) === Math.round(pa)) {
                        to = Math.ceil(pa) * self.options.itemHeight * self.baseSize;
                        plast = Math.ceil(pa) + 1;
                    } else {
                        to = Math.floor(pa) * self.options.itemHeight * self.baseSize;
                        plast = Math.floor(pa) + 1;
                    }
                    self.scrollFive.scrollTo(0, -to, 0);

                    Array.prototype.slice.call(self.fiveLevelContainDom.querySelectorAll('li')).forEach(function (v, i, o) {
                        if (v.classList.contains('at')) {
                            v.classList.remove('at');
                        } else if (v.classList.contains('side1')) {
                            v.classList.remove('side1');
                        } else if (v.classList.contains('side2')) {
                            v.classList.remove('side2');
                        }
                    });

                    var pdom = self.changeClassName(self.fiveLevelContainDom, plast);

                    self.selectFiveObj = iosSelectUtil.attrToData(pdom, plast);
                });
                this.scrollFive.on('scrollCancel', function () {
                    var pa = Math.abs(this.y / self.baseSize) / self.options.itemHeight;
                    var plast = 1;
                    var to = 0;
                    if (Math.ceil(pa) === Math.round(pa)) {
                        to = Math.ceil(pa) * self.options.itemHeight * self.baseSize;
                        plast = Math.ceil(pa) + 1;
                    } else {
                        to = Math.floor(pa) * self.options.itemHeight * self.baseSize;
                        plast = Math.floor(pa) + 1;
                    }
                    self.scrollFive.scrollTo(0, -to, 0);

                    Array.prototype.slice.call(self.fiveLevelContainDom.querySelectorAll('li')).forEach(function (v, i, o) {
                        if (v.classList.contains('at')) {
                            v.classList.remove('at');
                        } else if (v.classList.contains('side1')) {
                            v.classList.remove('side1');
                        } else if (v.classList.contains('side2')) {
                            v.classList.remove('side2');
                        }
                    });

                    var pdom = self.changeClassName(self.fiveLevelContainDom, plast);

                    self.selectFiveObj = iosSelectUtil.attrToData(pdom, plast);
                });
            }

            // 取消 确认 事件
            this.closeBtnDom = this.iosSelectLayer.el.querySelector('.close');
            this.closeBtnDom.addEventListener('click', function (e) {
                if (document.body.classList.contains('ios-select-body-class')) {
                    document.body.classList.remove('ios-select-body-class');
                }
                window.scrollTo(0, self.offsetTop);
            });

            this.selectBtnDom = this.iosSelectLayer.el.querySelector('.sure');
            this.selectBtnDom.addEventListener('click', function (e) {
                if (document.body.classList.contains('ios-select-body-class')) {
                    document.body.classList.remove('ios-select-body-class');
                }
                window.scrollTo(0, self.offsetTop);
                self.callback && self.callback(self.selectOneObj, self.selectTwoObj, self.selectThreeObj, self.selectFourObj, self.selectFiveObj);
            });
        },
        loadingShow: function () {
            this.options.showLoading && (this.iosSelectLoadingBoxDom.style.display = 'block');
        },
        loadingHide: function () {
            this.iosSelectLoadingBoxDom.style.display = 'none';
        },
        getOneLevel: function () {
            return this.data[0];
        },
        setOneLevel: function (oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId) {
            if (iosSelectUtil.isArray(this.data[0])) {
                var oneLevelData = this.getOneLevel();
                this.renderOneLevel(oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId, oneLevelData);
            }
            else if (iosSelectUtil.isFunction(this.data[0])) {
                this.loadingShow();
                this.data[0](function (oneLevelData) {
                    this.loadingHide();
                    this.renderOneLevel(oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId, oneLevelData);
                }.bind(this));
            }
            else {
                throw new Error('data format error');
            }
        },
        renderOneLevel: function (oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId, oneLevelData) {
            var hasAtId = oneLevelData.some(function (v, i, o) {
                return v.id == oneLevelId;
            });
            if (!hasAtId) {
                oneLevelId = oneLevelData[0]['id'];
            }
            var oneHtml = '';
            var self = this;
            var plast = 0;
            oneHtml += this.getWhiteItem();
            oneLevelData.forEach(function (v, i, o) {
                if (v.id == oneLevelId) {
                    oneHtml += '<li style="height: ' + this.options.itemHeight + this.options.cssUnit + '; line-height: ' + this.options.itemHeight + this.options.cssUnit + ';" ' + iosSelectUtil.attrToHtml(v) + ' class="at">' + v.value + '</li>';
                    plast = i + 1;
                } else {
                    oneHtml += '<li style="height: ' + this.options.itemHeight + this.options.cssUnit + '; line-height: ' + this.options.itemHeight + this.options.cssUnit + ';"' + iosSelectUtil.attrToHtml(v) + '>' + v.value + '</li>';
                }
            }.bind(this));
            oneHtml += this.getWhiteItem();
            this.oneLevelUlContainDom.innerHTML = oneHtml;

            this.scrollOne.refresh();
            this.scrollOne.scrollToElement('li:nth-child(' + plast + ')', 0);
            if (this.level >= 2) {
                this.setTwoLevel(oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId);
            }

            var pdom = this.changeClassName(this.oneLevelContainDom, plast);
            this.selectOneObj = iosSelectUtil.attrToData(pdom, this.getAtIndexByPlast(plast));
        },
        getTwoLevel: function (oneLevelId) {
            var twoLevelData = [];
            if (this.options.oneTwoRelation === 1) {
                this.data[1].forEach(function (v, i, o) {
                    if (v['parentId'] === oneLevelId) {
                        twoLevelData.push(v);
                    }
                });
            } else {
                twoLevelData = this.data[1];
            }
            return twoLevelData;
        },
        setTwoLevel: function (oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId) {
            if (iosSelectUtil.isArray(this.data[1])) {
                var twoLevelData = this.getTwoLevel(oneLevelId);
                this.renderTwoLevel(oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId, twoLevelData);
            }
            else if (iosSelectUtil.isFunction(this.data[1])) {
                this.loadingShow();
                this.data[1](oneLevelId, function (twoLevelData) {
                    this.loadingHide();
                    this.renderTwoLevel(oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId, twoLevelData);
                }.bind(this));
            }
            else {
                throw new Error('data format error');
            }
        },
        renderTwoLevel: function (oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId, twoLevelData) {
            var plast = 0;
            var hasAtId = twoLevelData.some(function (v, i, o) {
                return v.id == twoLevelId;
            });
            if (!hasAtId) {
                twoLevelId = twoLevelData[0]['id'];
            }
            var twoHtml = '';
            var self = this;
            twoHtml += this.getWhiteItem();
            twoLevelData.forEach(function (v, i, o) {
                if (v.id == twoLevelId) {
                    twoHtml += '<li style="height: ' + this.options.itemHeight + this.options.cssUnit + '; line-height: ' + this.options.itemHeight + this.options.cssUnit + ';"' + iosSelectUtil.attrToHtml(v) + ' class="at">' + v.value + '</li>';
                    plast = i + 1;
                } else {
                    twoHtml += '<li style="height: ' + this.options.itemHeight + this.options.cssUnit + '; line-height: ' + this.options.itemHeight + this.options.cssUnit + ';"' + iosSelectUtil.attrToHtml(v) + '>' + v.value + '</li>';
                }
            }.bind(this));
            twoHtml += this.getWhiteItem();
            this.twoLevelUlContainDom.innerHTML = twoHtml;
            this.scrollTwo.refresh();
            this.scrollTwo.scrollToElement(':nth-child(' + plast + ')', 0);
            if (this.level >= 3) {
                this.setThreeLevel(oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId);
            }

            var pdom = this.changeClassName(this.twoLevelContainDom, plast);
            this.selectTwoObj = iosSelectUtil.attrToData(pdom, this.getAtIndexByPlast(plast));
        },
        getThreeLevel: function (oneLevelId, twoLevelId) {
            var threeLevelData = [];
            if (this.options.twoThreeRelation === 1) {
                this.data[2].forEach(function (v, i, o) {
                    if (v['parentId'] === twoLevelId) {
                        threeLevelData.push(v);
                    }
                });
            } else {
                threeLevelData = this.data[2];
            }
            return threeLevelData;
        },
        setThreeLevel: function (oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId) {
            if (iosSelectUtil.isArray(this.data[2])) {
                var threeLevelData = this.getThreeLevel(oneLevelId, twoLevelId);
                this.renderThreeLevel(oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId, threeLevelData);
            }
            else if (iosSelectUtil.isFunction(this.data[2])) {
                this.loadingShow();
                this.data[2](oneLevelId, twoLevelId, function (threeLevelData) {
                    this.loadingHide();
                    this.renderThreeLevel(oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId, threeLevelData);
                }.bind(this));
            }
            else {
                throw new Error('data format error');
            }
        },
        renderThreeLevel: function (oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId, threeLevelData) {
            var plast = 0;
            var hasAtId = threeLevelData.some(function (v, i, o) {
                return v.id == threeLevelId;
            });
            if (!hasAtId) {
                threeLevelId = threeLevelData[0]['id'];
            }
            var threeHtml = '';
            var self = this;
            threeHtml += this.getWhiteItem();
            threeLevelData.forEach(function (v, i, o) {
                if (v.id == threeLevelId) {
                    threeHtml += '<li style="height: ' + this.options.itemHeight + this.options.cssUnit + '; line-height: ' + this.options.itemHeight + this.options.cssUnit + ';"' + iosSelectUtil.attrToHtml(v) + ' class="at">' + v.value + '</li>';
                    plast = i + 1;
                } else {
                    threeHtml += '<li style="height: ' + this.options.itemHeight + this.options.cssUnit + '; line-height: ' + this.options.itemHeight + this.options.cssUnit + ';"' + iosSelectUtil.attrToHtml(v) + '>' + v.value + '</li>';
                }
            }.bind(this));
            threeHtml += this.getWhiteItem();
            this.threeLevelUlContainDom.innerHTML = threeHtml;
            this.scrollThree.refresh();
            this.scrollThree.scrollToElement(':nth-child(' + plast + ')', 0);

            if (this.level >= 4) {
                this.setFourLevel(oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId);
            }

            var pdom = this.changeClassName(this.threeLevelContainDom, plast);
            this.selectThreeObj = iosSelectUtil.attrToData(pdom, this.getAtIndexByPlast(plast));
        },
        getFourLevel: function (oneLevelId, twoLevelId, threeLevelId) {
            var fourLevelData = [];
            if (this.options.threeFourRelation === 1) {
                this.data[3].forEach(function (v, i, o) {
                    if (v['parentId'] === threeLevelId) {
                        fourLevelData.push(v);
                    }
                });
            } else {
                fourLevelData = this.data[3];
            }
            return fourLevelData;
        },
        setFourLevel: function (oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId) {
            if (iosSelectUtil.isArray(this.data[3])) {
                var fourLevelData = this.getFourLevel(oneLevelId, twoLevelId, threeLevelId);
                this.renderFourLevel(oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId, fourLevelData);
            }
            else if (iosSelectUtil.isFunction(this.data[3])) {
                this.loadingShow();
                this.data[3](oneLevelId, twoLevelId, threeLevelId, function (fourLevelData) {
                    this.loadingHide();
                    this.renderFourLevel(oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId, fourLevelData);
                }.bind(this));
            }
            else {
                throw new Error('data format error');
            }
        },
        renderFourLevel: function (oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId, fourLevelData) {
            var plast = 0;
            var hasAtId = fourLevelData.some(function (v, i, o) {
                return v.id == fourLevelId;
            });
            if (!hasAtId) {
                fourLevelId = fourLevelData[0]['id'];
            }
            var fourHtml = '';
            var self = this;
            fourHtml += this.getWhiteItem();
            fourLevelData.forEach(function (v, i, o) {
                if (v.id == fourLevelId) {
                    fourHtml += '<li style="height: ' + this.options.itemHeight + this.options.cssUnit + '; line-height: ' + this.options.itemHeight + this.options.cssUnit + ';"' + iosSelectUtil.attrToHtml(v) + ' class="at">' + v.value + '</li>';
                    plast = i + 1;
                } else {
                    fourHtml += '<li style="height: ' + this.options.itemHeight + this.options.cssUnit + '; line-height: ' + this.options.itemHeight + this.options.cssUnit + ';"' + iosSelectUtil.attrToHtml(v) + '>' + v.value + '</li>';
                }
            }.bind(this));
            fourHtml += this.getWhiteItem();
            this.fourLevelUlContainDom.innerHTML = fourHtml;
            this.scrollFour.refresh();
            this.scrollFour.scrollToElement(':nth-child(' + plast + ')', 0);

            if (this.level >= 5) {
                this.setFiveLevel(oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId);
            }

            var pdom = this.changeClassName(this.fourLevelContainDom, plast);
            this.selectFourObj = iosSelectUtil.attrToData(pdom, this.getAtIndexByPlast(plast));
        },
        getFiveLevel: function (oneLevelId, twoLevelId, threeLevelId, fourLevelId) {
            var fiveLevelData = [];
            if (this.options.fourFiveRelation === 1) {
                this.data[4].forEach(function (v, i, o) {
                    if (v['parentId'] === fourLevelId) {
                        fiveLevelData.push(v);
                    }
                });
            } else {
                fiveLevelData = this.data[4];
            }
            return fiveLevelData;
        },
        setFiveLevel: function (oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId) {
            if (iosSelectUtil.isArray(this.data[4])) {
                var fiveLevelData = this.getFiveLevel(oneLevelId, twoLevelId, threeLevelId, fourLevelId);
                this.renderFiveLevel(oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId, fiveLevelData);
            }
            else if (iosSelectUtil.isFunction(this.data[4])) {
                this.loadingShow();
                this.data[4](oneLevelId, twoLevelId, threeLevelId, fourLevelId, function (fiveLevelData) {
                    this.loadingHide();
                    this.renderFiveLevel(oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId, fiveLevelData);
                }.bind(this));
            }
            else {
                throw new Error('data format error');
            }
        },
        renderFiveLevel: function (oneLevelId, twoLevelId, threeLevelId, fourLevelId, fiveLevelId, fiveLevelData) {
            var plast = 0;
            var hasAtId = fiveLevelData.some(function (v, i, o) {
                return v.id == fiveLevelId;
            });
            if (!hasAtId) {
                fiveLevelId = fiveLevelData[0]['id'];
            }
            var fiveHtml = '';
            var self = this;
            fiveHtml += this.getWhiteItem();
            fiveLevelData.forEach(function (v, i, o) {
                if (v.id == fiveLevelId) {
                    fiveHtml += '<li style="height: ' + this.options.itemHeight + this.options.cssUnit + '; line-height: ' + this.options.itemHeight + this.options.cssUnit + ';"' + iosSelectUtil.attrToHtml(v) + ' class="at">' + v.value + '</li>';
                    plast = i + 1;
                } else {
                    fiveHtml += '<li style="height: ' + this.options.itemHeight + this.options.cssUnit + '; line-height: ' + this.options.itemHeight + this.options.cssUnit + ';"' + iosSelectUtil.attrToHtml(v) + '>' + v.value + '</li>';
                }
            }.bind(this));
            fiveHtml += this.getWhiteItem();
            this.fiveLevelUlContainDom.innerHTML = fiveHtml;
            this.scrollFive.refresh();
            this.scrollFive.scrollToElement(':nth-child(' + plast + ')', 0);

            var pdom = this.changeClassName(this.fiveLevelContainDom, plast);
            this.selectFiveObj = iosSelectUtil.attrToData(pdom, this.getAtIndexByPlast(plast));
        },
        getWhiteItem: function () {
            var whiteItemHtml = '';
            whiteItemHtml += '<li style="height: ' + this.options.itemHeight + this.options.cssUnit + '; line-height: ' + this.options.itemHeight + this.options.cssUnit + '"></li>';
            if (this.options.itemShowCount > 3) {
                whiteItemHtml += '<li style="height: ' + this.options.itemHeight + this.options.cssUnit + '; line-height: ' + this.options.itemHeight + this.options.cssUnit + '"></li>';
            }
            if (this.options.itemShowCount > 5) {
                whiteItemHtml += '<li style="height: ' + this.options.itemHeight + this.options.cssUnit + '; line-height: ' + this.options.itemHeight + this.options.cssUnit + '"></li>';
            }
            if (this.options.itemShowCount > 7) {
                whiteItemHtml += '<li style="height: ' + this.options.itemHeight + this.options.cssUnit + '; line-height: ' + this.options.itemHeight + this.options.cssUnit + '"></li>';
            }
            return whiteItemHtml;
        },
        changeClassName: function (levelContainDom, plast) {
            var pdom;
            if (this.options.itemShowCount === 3) {
                pdom = levelContainDom.querySelector('li:nth-child(' + (plast + 1) + ')');
                pdom.classList.add('at');
            }
            else if (this.options.itemShowCount === 5) {
                pdom = levelContainDom.querySelector('li:nth-child(' + (plast + 2) + ')');
                pdom.classList.add('at');

                levelContainDom.querySelector('li:nth-child(' + (plast + 1) + ')').classList.add('side1');
                levelContainDom.querySelector('li:nth-child(' + (plast + 3) + ')').classList.add('side1');
            }
            else if (this.options.itemShowCount === 7) {
                pdom = levelContainDom.querySelector('li:nth-child(' + (plast + 3) + ')');
                pdom.classList.add('at');

                levelContainDom.querySelector('li:nth-child(' + (plast + 2) + ')').classList.add('side1');
                levelContainDom.querySelector('li:nth-child(' + (plast + 1) + ')').classList.add('side2');
                levelContainDom.querySelector('li:nth-child(' + (plast + 4) + ')').classList.add('side1');
                levelContainDom.querySelector('li:nth-child(' + (plast + 5) + ')').classList.add('side2');
            }
            else if (this.options.itemShowCount === 9) {
                pdom = levelContainDom.querySelector('li:nth-child(' + (plast + 4) + ')');
                pdom.classList.add('at');

                levelContainDom.querySelector('li:nth-child(' + (plast + 3) + ')').classList.add('side1');
                levelContainDom.querySelector('li:nth-child(' + (plast + 2) + ')').classList.add('side2');
                levelContainDom.querySelector('li:nth-child(' + (plast + 5) + ')').classList.add('side1');
                levelContainDom.querySelector('li:nth-child(' + (plast + 6) + ')').classList.add('side2');
            }
            return pdom;
        },
        getAtIndexByPlast: function (plast) {
            return plast + Math.ceil(this.options.itemShowCount / 2);
        },
        setBase: function () {
            if (this.options.cssUnit === 'rem') {
                var dltDom = document.documentElement;
                var dltStyle = window.getComputedStyle(dltDom, null);
                var dltFontSize = dltStyle.fontSize;
                try {
                    this.baseSize = /\d+(?:\.\d+)?/.exec(dltFontSize)[0];
                }
                catch (e) {
                    this.baseSize = 1;
                }
            }
            else {
                this.baseSize = 1;
            }
        }
    }
    if (typeof module != 'undefined' && module.exports) {
        module.exports = IosSelect;
    } else if (typeof define == 'function' && define.amd) {
        define(function () {
            return IosSelect;
        });
    } else {
        window.IosSelect = IosSelect;
    }
})();
(function () {
    var selectDateDom = $('#selectDate');
    var showDateDom = $('#showDate');
// 初始化时间
    var now = new Date();
    var nowYear = now.getFullYear();
    var nowMonth = now.getMonth() + 1;
    var nowDate = now.getDate();
    showDateDom.attr('data-year', nowYear);
    showDateDom.attr('data-month', nowMonth);
    showDateDom.attr('data-date', nowDate);
// 数据初始化
    function formatYear(nowYear) {
        var arr = [];
        for (var i = nowYear - 60; i <= nowYear +0; i++) {
            arr.push({
                id: i + '',
                value: i + '年'
            });
        }
        return arr;
    }

    function formatMonth() {
        var arr = [];
        for (var i = 1; i <= 12; i++) {
            arr.push({
                id: i + '',
                value: i + '月'
            });
        }
        return arr;
    }

    function formatDate(count) {
        var arr = [];
        for (var i = 1; i <= count; i++) {
            arr.push({
                id: i + '',
                value: i + '日'
            });
        }
        return arr;
    }

    var yearData = function (callback) {
        callback(formatYear(nowYear))
    }
    var monthData = function (year, callback) {
        callback(formatMonth());
    };
    var dateData = function (year, month, callback) {
        if (/^(1|3|5|7|8|10|12)$/.test(month)) {
            callback(formatDate(31));
        }
        else if (/^(4|6|9|11)$/.test(month)) {
            callback(formatDate(30));
        }
        else if (/^2$/.test(month)) {
            if (year % 4 === 0 && year % 100 !== 0 || year % 400 === 0) {
                callback(formatDate(29));
            }
            else {
                callback(formatDate(28));
            }
        }
        else {
            throw new Error('month is illegal');
        }
    };
    var hourData = function (one, two, three, callback) {
        var hours = [];
        for (var i = 0, len = 24; i < len; i++) {
            hours.push({
                id: i,
                value: i + '时'
            });
        }
        callback(hours);
    };
    var minuteData = function (one, two, three, four, callback) {
        var minutes = [];
        for (var i = 0, len = 60; i < len; i++) {
            minutes.push({
                id: i,
                value: i + '分'
            });
        }
        callback(minutes);
    };
    selectDateDom.bind('click', function () {
        var oneLevelId = showDateDom.attr('data-year');
        var twoLevelId = showDateDom.attr('data-month');
        var threeLevelId = showDateDom.attr('data-date');
        var fourLevelId = showDateDom.attr('data-hour');
        var fiveLevelId = showDateDom.attr('data-minute');
        var iosSelect = new IosSelect(5,
            [yearData, monthData, dateData, hourData, minuteData],
            {
                title: '时间选择',
                itemHeight: 35,
                relation: [1, 1, 0, 0],
                itemShowCount: 9,
                oneLevelId: oneLevelId,
                twoLevelId: twoLevelId,
                threeLevelId: threeLevelId,
                fourLevelId: fourLevelId,
                fiveLevelId: fiveLevelId,
                callback: function (selectOneObj, selectTwoObj, selectThreeObj, selectFourObj, selectFiveObj) {
                    showDateDom.attr('data-year', selectOneObj.id);
                    showDateDom.attr('data-month', selectTwoObj.id);
                    showDateDom.attr('data-date', selectThreeObj.id);
                    showDateDom.attr('data-hour', selectFourObj.id);
                    showDateDom.attr('data-minute', selectFiveObj.id);
                    showDateDom.html(selectOneObj.value + ' ' + selectTwoObj.value + ' ' + selectThreeObj.value  );
                }
            });
    });
})();




